2cos 2x formula.

nikakede 2022-09-14 Answered
2 cos 2 x formula.
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Answers (1)

Monserrat Ellison
Answered 2022-09-15 Author has 22 answers
2 cos 2 x = 2 ( cos 2 x sin 2 x ) = 2 ( cos 2 x 1 + cos 2 x ) =
2 ( 2 cos 2 1 ) = 2 ( 1 2 sin 2 x )

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