266 Answered Questions for the topic trigonometric identities

Trigonometric Identities Math Trigonometry Math Help

01/06/14

Find the value of the other five trigonometric functions, given tanx= 4/11, secx<0.

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!
Trigonometric Identities Math Trigonometry Math Help

01/05/14

Use the quadratic formula to find all solutions in the interval [0,2pi): tan^2x-6tanx+4=0

This is for my trig class, thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/05/14

Verify: sin9x+sin5x/cos9x-cos5x=cot2x

This is for my trig class, thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/05/14

Verify tan^4x+2tan^2x+1=sec^4x

This is for my trig class, thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/05/14

Verify: 1+cosx/sinx+sinx/1+cosx=2cscx

This is for my trig class, thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/03/14

Use the half angle formulas to determine.

A. sin22.5 degrees and  B. tanpi/12 degrees
Trigonometric Identities Math Trigonometry Math Help

01/03/14

Given sintheta=4/5, theta lies in Quadrant II, find cos (theta/2)

This is for my trig class. Thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/03/14

Use the power reducing identities to write sin^2xcos^2x in terms of the first power of cosine.

This is for my trig class. Thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/03/14

Rewrite 6(sin5x)cos2x

This is for my trig class. Thanks for the help!
Trigonometric Identities Math Trigonometry Math Help

01/03/14

Rewrite sin(x+pi)+sin(x-pi) as a product.

This is for my trig class. Thanks for the help!
Trigonometric Identities Math Trigonometry Factor

12/31/13

Factor and simplify: sin^4x + (sin^2x)cos^2x

This is for my trig class. Thanks for the help!
Trigonometric Identities Trigonometry Identities Verify Identities

12/12/13

Verify the identity cos^3xsin^2x = (sin^2x-sin^4x)cosx

This is for my trig class, and the directions say to verify the identity. Thanks so much.
Trigonometric Identities Trigonometry Identities Verify The Identity

12/12/13

Verify the identity tanx+coty/tanxcoty = tany+cotx

This is for my trig class, and the directions say to verify the identity. Thanks for the help!
Trigonometric Identities Precalculus Trigonometry Trig

12/12/13

2sec^x-2sec^2x sin^2x

i've done problems like this before, but i was always able to change a term to cancel out something
Trigonometric Identities

12/08/13

prove the following trigonometric identity

sinx÷ cscx + cosx÷ secx=1
Trigonometric Identities

12/04/13

(cos^2x+1+sinx)/(cos^2x+3)=(1+sinx)/(2+sinx)

I'm asked to verify this identity. I've been going at it for a hour now with no successful results. 

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