SOLUTION: Okay, here on out, x will be used to represent theta.
I need to rewrite this expression in terms of cos(x), and then simplify it.
{{{ cos^4(x)-sin^4(x)+sin^2(x) }}}
I tried
Algebra ->
Trigonometry-basics
-> SOLUTION: Okay, here on out, x will be used to represent theta.
I need to rewrite this expression in terms of cos(x), and then simplify it.
{{{ cos^4(x)-sin^4(x)+sin^2(x) }}}
I tried
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Question 752899: Okay, here on out, x will be used to represent theta.
I need to rewrite this expression in terms of cos(x), and then simplify it.
I tried going through the various Pythagorean identities as well as the negative-angle identities, but I'm really lost on how to solve this sort of problem. Answer by tommyt3rd(5050) (Show Source):
