OpenStudy (anonymous):

Rewrite with only sin x and cos x. sin 2x - cos x

5 years ago
OpenStudy (austinl):

sin2x = 2sinxcosx

5 years ago
OpenStudy (anonymous):

I'm still extremely lost....

5 years ago
OpenStudy (austinl):

\[\sin(2x) = 2\sin(x)\cos(x)\] \[\sin(2x) - \cos(x)\rightarrow 2\sin(x)\cos(x) - \cos(x)\]

5 years ago
OpenStudy (anonymous):

2 sin x cos^2x ?

5 years ago
OpenStudy (austinl):

That is a minus sign, that should be your final answer. That I gave.

5 years ago
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