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Mathematics, 05.07.2019 02:20 hamaama

Sin2x=
a.2sinxcosx
b.1/2(cos(a-b)-cos(a+b))
c.1-2sin^2x
d.2sinx+2cosx

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Answers: 2

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You know the right answer?
Sin2x=
a.2sinxcosx
b.1/2(cos(a-b)-cos(a+b))
c.1-2sin^2x
d.2sinx+2cosx...
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