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All about trigonometry, the study of triangles
trig helppp
by Ereny_D on February 8th, 2012
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2 answers
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in Trigonometry
Who created the distance formula?
by Answerbag Staff on April 30th, 2011
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3 answers
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in Trigonometry
How to prove...(secB-1)(secB+1) = tan^2B...for trig only changing and editing the left side?
by paul110630 on February 7th, 2012
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one answer
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in General Trigonometry
Can the Pickett 120 slide rule be used for trigonometry?
by Answerbag Staff on July 28th, 2010
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one answer
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in Trigonometry
How to prove...cosA (tanA +cotA) = cscA...for trig only changing and editing the left side?
by paul110630 on February 7th, 2012
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one answer
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in General Trigonometry
Who invented the basic ideas behind trigonometry?
by Answerbag Staff on January 13th, 2010
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2 answers
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in Trigonometry
How to prove...cosA (tanA +cotA) = cscA...for trig only editing the left side? Thanks!
by paul110630 on February 7th, 2012
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one answer
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in General Trigonometry
Who created the distance formula?
by Answerbag Staff on January 31st, 2011
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one answer
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in Trigonometry
Prove that cos^2 x + cos^2 (x+ pi/3) + cos^2 (x- pi/3) = 3/2
by AnjaliVenugopal on February 5th, 2012
| 1 person likes this
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one answer
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in Trigonometry
What is an angle of depression?
by Answerbag Staff on July 2nd, 2010
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3 answers
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in Trigonometry
prove this!!
by Ereny_D on January 22nd, 2012
| 4 people like this
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11 answers
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in Trigonometry
What is the distance formula for polar coordinates?
by Answerbag Staff on June 27th, 2010
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one answer
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in Trigonometry
Extending trigonometry question. Pleas help?!?!
by nrahman3 on January 22nd, 2012
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6 answers
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in Trigonometry
I want to get the minus outside arctan(-a)?
when it is : -arctan(a) and when it is : pi-arctan(a)
by joseph.kobti on January 15th, 2012
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one answer
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in Trigonometry
Help with proving this please?
tanx/2 = sinx/1+cosx
*Hint: x=2x/2
by Ereny_D on January 4th, 2012
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one answer
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in Trigonometry
PROOF!
cos^2(pi/4 - x/2) - sin^2(pi/4 - x/2) = sinx
by Ereny_D on January 3rd, 2012
| 2 people like this
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2 answers
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in Trigonometry
Determine the general solutions of the equation;
1. tan^23x=3
by Ereny_D on December 12th, 2011
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one answer
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in Trigonometry
verify: csc(-a)cos(-a)=-cota
by mercerj01 on December 11th, 2011
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one answer
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in Trigonometry
Simplify this expression?
sin^2 6x + cos^2 6x
by Ereny_D on December 1st, 2011
| 2 people like this
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8 answers
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in Trigonometry
solve over the given domain. round to the nearest degree when necessary
1. 6sinx=1, if 20*
by Ereny_D on November 29th, 2011
| 1 person likes this
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one answer
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in Trigonometry
simplify the given expressions
by Ereny_D on November 26th, 2011
| 1 person likes this
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4 answers
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in Trigonometry
When approximately 0.288 of a lines length away from a line do you place yourself at the apex of the plan of a tetrahedron.
by Ombliss22 on November 10th, 2011
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2 answers
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in Trigonometry
If on the circle C, the distance from P(1,0) to the point T is x, determine the coordinates for T and T' if T(3/5, 4/5).
by outcastlilgurl on November 1st, 2011
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2 answers
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in Trigonometry
express as a single trigonometric ratio √(1-cosθ)
by pesky08 on October 14th, 2011
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no answers
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in Trigonometry
Prove that 1/(cosx + sinx) +) 1/(cosx - sinx) = tan2xcscx
by pesky08 on October 14th, 2011
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3 answers
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in Trigonometry
the base of a triangle is one-third as long as its height. if the area of the triangle is 24 meters, how long is its base?
by Matt_D3782 on August 27th, 2011
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2 answers
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in Trigonometry
What is the proper formula for determining an unknown side of a triangle in an isosceles and right triangle? (description)
by A shout without knowledge is a protest on August 8th, 2011
| 1 person likes this
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3 answers
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in General Trigonometry
whats wrong with answerbag cos when i put up a picture on me answer it does not show up
by hong kong phooey on July 26th, 2011
| 1 person likes this
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one answer
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in Trigonometry
How would you simplify cot(ArcCos 7/x)?
by mychal.harmon on May 27th, 2011
| 1 person likes this
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one answer
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in Trigonometry
Who created the distance formula?
by Answerbag Staff on April 30th, 2011
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3 answers
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in Trigonometry
Help me prove this:
csc^4x-cot^4x=csc^2x+cot^2x
by shscheer12 on April 19th, 2011
| 2 people like this
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2 answers
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in Trigonometry
How do you find the sine, cosine, etc. when they just give you an angle measurement, like 240 degrees?
by AgentGriswald on April 14th, 2011
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5 answers
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in Trigonometry
2) If sinx=√3 and sin y=√2,
x in quadran II & y in quadrant IV
find a) sin(x+y)
b) sin(x-y)
by Aizzell_C on April 4th, 2011
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2 answers
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in Trigonometry
1) Find an equivalent expression for:
sec(x-π/6)-csc(x+3π/4)
by Aizzell_C on April 4th, 2011
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one answer
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in Trigonometry
How would you find an acute angle for
sec theta = √2
by Jake_D2161 on March 23rd, 2011
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one answer
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in Trigonometry
How would you solve this Trigonometric Equation?
by Qaz12wsx on March 3rd, 2011
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3 answers
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in General Trigonometry
Find the maximum and minimum values of the function. (Round your answer to two decimal places.) y=(cosx)/(3+sinx)
by Yu-chi_H on March 1st, 2011
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one answer
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in Trigonometry
Find all solutions of the equation that lie in the interval [0, π]. (Round your answer to two decimal places.) cos 3x = 3x
by Yu-chi_H on March 1st, 2011
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2 answers
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in Trigonometry
Find the maximum and minimum values of the function. (Round your answer to two decimal places.) y=(cosx)/(3+sinx)
by Yu-chi_H on March 1st, 2011
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one answer
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in Trigonometry
Find the maximum and minimum values of the function. (Round your answers to two decimal places.) y = 3x - 4sin 3x, 0≤X≤2pi
by Yu-chi_H on March 1st, 2011
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one answer
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in Trigonometry
HELP FAST, Im in calc 2 and forgot my trig identities
by phil656565 on February 24th, 2011
| 1 person likes this
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2 answers
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in Trigonometry
i need the orthocenter of a triangle with the points (19,11) (-2, 1) (7,6)
by pkitty96 on February 8th, 2011
| 1 person likes this
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2 answers
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in Trigonometry
Who created the distance formula?
by Answerbag Staff on January 31st, 2011
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one answer
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in Trigonometry
how can i verifying this trigonometric identity, I know the answer just need to verify tan²x - cot²x / tan x + cot x = tan x - cot x
by luigihs on January 5th, 2011
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one answer
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in General Trigonometry
In triangle ABC , what is the length of side a if angleA=68degrees, b=7cm, c=15cm ?
by Christopher_R7770 on January 3rd, 2011
| 1 person likes this
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3 answers
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in Trigonometry
How to find the length of side a
in (triangle)ABD , angleA=68degrees, b=7cm. c=15cm
by Christopher_R7770 on January 3rd, 2011
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one answer
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in Trigonometry
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