simplymariex simplymariex

03-05-2018
Mathematics

contestada

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

Select one:
a. 2 sin2x - 2 sin x cos x + 1
b. 2 sin x
c. 2 sin2x + 2 sin x cos x - 1

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pizzapeter456 pizzapeter456

03-05-2018

I may be wrong but I think it is C.

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