SOLUTION: cos2x+cos4x
----------- -- =
sin2x-sin4x
a. cot x
b.-cot x
c. sin x
d.- tan x
Algebra.Com
Question 1170448: cos2x+cos4x
-------------- =
sin2x-sin4x
a. cot x
b.-cot x
c. sin x
d.- tan x
Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
use identities:
=.............use
=
= ......use
= ....simplify
=
=...simplify
=
=
Answer by ikleyn(52864) (Show Source): You can put this solution on YOUR website!
.
For much simpler and much more straightforward way to solve the problem see the solution under this link
https://www.algebra.com/algebra/homework/logarithm/logarithm.faq.question.1170383.html
https://www.algebra.com/algebra/homework/logarithm/logarithm.faq.question.1170383.html
The referred solution is the CANONICAL way to solve this problem.
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