Mathematics, 29.07.2019 16:00 kittey7854
Rewrite with only sin x and cos x. sin 3x
Answers: 1
![\bf 2sin(x)cos(x)cos(x)~+~[cos^2(x)-sin^2(x)]sin(x) \\\\\\ \stackrel{like~terms}{\stackrel{\downarrow }{2sin(x)cos^2(x)}~~+~~\stackrel{\downarrow }{sin(x)cos^2(x)}}-sin^3(x) \\\\\\ 3sin(x)cos^2(x)-sin^3(x)](/tpl/images/0147/2182/567a9.png)
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Rewrite with only sin x and cos x. sin 3x...
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