Saturday

October 25, 2014

October 25, 2014

Posted by **Kate** on Sunday, July 17, 2011 at 7:01pm.

a)tan^2x = 1 – cos^2x/cos^2x

b)sinx/1 – sin^2x = tanx/cosx

- Math -
**Reiny**, Sunday, July 17, 2011 at 7:19pma)

RS = sin^2x/cos^2x

= LS

b) LS = sinx/cos^2x

= (sinx/cosx)/cosx

= tanx/cosx

= RS

**Answer this Question**

**Related Questions**

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

Pre-Calc - Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= ...

Trigonometry. - ( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx) Good one! ...

Math (trigonometric identities) - I was given 21 questions for homework and I ...

Simplifying with Trigonometry Identities - Hi, I am a senior in High School ...

TRIG.............. - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x + ...

TRIGONOMETRY *(MATHS) - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x...

Trig....... - I need to prove that the following is true. Thanks (2tanx /1-tan^x...

trig - We are doing trig identities in school. I need help with these five: 1.1+...

Math - 1) evaluate without a calculator: a)sin(3.14/4) b) cos(-3(3.14)/4) c) ...