Sunday

December 21, 2014

December 21, 2014

Posted by **AwesomeGuy** on Monday, February 18, 2013 at 2:40am.

1.) TAN^5 X= TAN³X SEC²X-TAN³X

2.) COS³X SIN²X= (SIN²X-SIN^4X)COS X

- Trigonometry -
**Reiny**, Monday, February 18, 2013 at 8:26amLS = cosx (cos^2 x) (sin^2 x)

= cosx (1 - sin^2 x) (sin^2 x)

= cosx(sin^2 x - sin^4 x)

= RS

**Answer this Question**

**Related Questions**

precalculus - For each of the following determine whether or not it is an ...

Trig - Given: cos u = 3/5; 0 < u < pi/2 cos v = 5/13; 3pi/2 < v < ...

Trigonometry - 1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two ...

Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...

Trigonometry desperate help, clueless girl here - 2. solve cos 2x-3sin x cos 2x...

Trigonometry - Please review and tell me if i did something wrong. Find the ...

Trig Identities - Proving identities: 1) 1+ 1/tan^2x = 1/sin^2x 2) 2sin^2 x-1 = ...

trigonometry hlp me - 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin y...

Trigonometry - Prove the following trigonometric identities. please give a ...

Trigonometry - Verify/Solve the identities. 1.) SIN^1/2 X COS X-SIN^5/2 X COS X ...