SOLUTION: Use the identities {{{ tan (x) = sin (x) / cos (x) }}} and/or {{{ sin^2 (x) + cos^2 (x) = 1 }}} to simplify {{{ 1 - cos^2 (x) }}}
Algebra
->
Trigonometry-basics
-> SOLUTION: Use the identities {{{ tan (x) = sin (x) / cos (x) }}} and/or {{{ sin^2 (x) + cos^2 (x) = 1 }}} to simplify {{{ 1 - cos^2 (x) }}}
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 228234
:
Use the identities
and/or
to simplify
Answer by
chibisan(131)
(
Show Source
):
You can
put this solution on YOUR website!
using
to simplify
1-cos^2(x)
=sin^2(x)