Mathematics, 11.12.2019 04:31 melody12chocolatemil
Rewrite with only sin x and cos x. sin 2x - cos x
Answers: 2
![\bf sin(2\theta)=2sin(\theta)cos(\theta)\\\\ -------------------------------\\\\ sin(2x)-cos(x)\implies 2sin(x)cos(x)-cos(x) \\\\\\ cos(x)[2sin(x)-1]](/tpl/images/0413/0280/dc68e.png)
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