Trigonometry.

1-sinx/1+cosx=1 trig identity?? i dont know what to do?
by salkinf on May 6th, 2012 | no answers | in General Trigonometry

Who created the distance formula?
by Answerbag Staff on April 30th, 2011 | 3 answers | in Trigonometry

1+sinx/1+cox=1 trig identity problem?
by salkinf on May 6th, 2012 | no answers | in Trigonometry

Can the Pickett 120 slide rule be used for trigonometry?
by Answerbag Staff on July 28th, 2010 | one answer | in Trigonometry

(Cos^2x/sin^2x)+ cscxsinx
by Stephanie_C8147 on April 9th, 2012 | 1 person likes this | 2 answers | in Trigonometry

Who invented the basic ideas behind trigonometry?
by Answerbag Staff on January 13th, 2010 | 2 answers | in Trigonometry

Simplify tanx - sin^3xsecx
by Ashley_O8852 on April 2nd, 2012 | one answer | in Trigonometry

Who created the distance formula?
by Answerbag Staff on January 31st, 2011 | one answer | in Trigonometry

1/(1+sinx)X 1/(1-sinx)=2sec^2x please help
by Adam_M6718 on March 25th, 2012 | one answer | in Trigonometry

What is an angle of depression?
by Answerbag Staff on July 2nd, 2010 | 3 answers | in Trigonometry

Can you help with these trig functions the period, amplitude, & phase shift of each y=tan((pi)x/4) y=csc(pi-x) y=(1/4)csc(x+(pi/4))
by class.of.13 on March 8th, 2012 | no answers | in General Trigonometry

What is the distance formula for polar coordinates?
by Answerbag Staff on June 27th, 2010 | one answer | in Trigonometry

Can you help with these trig problems? the period, amplitude, and phase shift of each y=tan((pi)x/4) y=csc(pi-x) y=(1/4)csc(x+(pi/4))
by class.of.13 on March 8th, 2012 | one answer | in Trigonometry

TRIGONOMETRY HELP NOW! if cos(theta)=.2351 what is sec(theta)?
by rio de janeiro on February 28th, 2012 | 3 answers | in Trigonometry

(((cos(2 * pi) / 7) * cos(pi)) / 28) + (((sin(2 * pi) / 7) * sin(pi)) / 28) =
by dovgoldman on February 20th, 2012 | 3 answers | in Trigonometry

Is there any point to "trig tables" anymore? Should libraries throw out trig table books?
by Banana Breath plays the piano on February 14th, 2012 | 2 answers | in Trigonometry

trig helppp
by Ereny_D on February 8th, 2012 | 2 answers | 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 | 2 answers | in General Trigonometry

How to prove...cosA (tanA +cotA) = cscA...for trig only changing and editing the left side?
by paul110630 on February 7th, 2012 | 3 answers | in General Trigonometry

How to prove...cosA (tanA +cotA) = cscA...for trig only editing the left side? Thanks!
by paul110630 on February 7th, 2012 | one answer | in General 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 | one answer | in Trigonometry

prove this!!
by Ereny_D on January 22nd, 2012 | 4 people like this | 11 answers | in Trigonometry

Extending trigonometry question. Pleas help?!?!
by nrahman3 on January 22nd, 2012 | 6 answers | 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 | one answer | in Trigonometry

Help with proving this please? tanx/2 = sinx/1+cosx *Hint: x=2x/2
by Ereny_D on January 4th, 2012 | one answer | 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 | 2 answers | in Trigonometry

Determine the general solutions of the equation; 1. tan^23x=3
by Ereny_D on December 12th, 2011 | one answer | in Trigonometry

verify: csc(-a)cos(-a)=-cota
by mercerj01 on December 11th, 2011 | one answer | in Trigonometry

Simplify this expression? sin^2 6x + cos^2 6x
by Ereny_D on December 1st, 2011 | 2 people like this | 8 answers | 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 | one answer | in Trigonometry

simplify the given expressions
by Ereny_D on November 26th, 2011 | 1 person likes this | 4 answers | 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 | 2 answers | 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 | 2 answers | in Trigonometry

express as a single trigonometric ratio √(1-cosθ)
by pesky08 on October 14th, 2011 | no answers | in Trigonometry

Prove that 1/(cosx + sinx) +) 1/(cosx - sinx) = tan2xcscx
by pesky08 on October 14th, 2011 | 3 answers | 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 | 2 answers | 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 | 3 answers | in General Trigonometry

How would you simplify cot(ArcCos 7/x)?
by mychal.harmon on May 27th, 2011 | 1 person likes this | one answer | in Trigonometry

Who created the distance formula?
by Answerbag Staff on April 30th, 2011 | 3 answers | in Trigonometry

Help me prove this: csc^4x-cot^4x=csc^2x+cot^2x
by shscheer12 on April 19th, 2011 | 2 people like this | 2 answers | 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 | 5 answers | 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 | 2 answers | in Trigonometry

1) Find an equivalent expression for: sec(x-π/6)-csc(x+3π/4)
by Aizzell_C on April 4th, 2011 | one answer | in Trigonometry

How would you find an acute angle for sec theta = √2
by Jake_D2161 on March 23rd, 2011 | one answer | in Trigonometry

How would you solve this Trigonometric Equation?
by Qaz12wsx on March 3rd, 2011 | 3 answers | in General Trigonometry