Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

811,139 users

Prove the identity

0 votes

Prove the identity: (1-cos^2 x)(1-tan^2 x) = sin^2x - 2 sin^4x / 1- sin^2x?

asked Apr 21, 2014 in ALGEBRA 2 by anonymous

2 Answers

0 votes

image

image

image

image

image

image

image

image

= R. . H . S

L . H .S = R. . H . S

Therefore  image.

answered Apr 21, 2014 by friend Mentor
0 votes

The equation is .

L.H.S =  image

Pythagorean identity : image.

image

image

image

image

image

image

= R.H.S.

answered Apr 21, 2014 by lilly Expert

Related questions

asked Oct 27, 2019 in TRIGONOMETRY by anonymous
asked Jan 22, 2015 in TRIGONOMETRY by anonymous
asked Aug 5, 2014 in TRIGONOMETRY by anonymous
asked May 10, 2014 in CALCULUS by anonymous
...