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27 December, 04:59

Rewrite with only sin x and cos x.

sin 2x - cos x

2 sin x cos2x

sin x

cos x (2 sin x - 1)

2 sin x

+1
Answers (1)
  1. 27 December, 06:14
    0
    cos x (2 sin x - 1)

    Step-by-step explanation:

    sin (2x) - cos x

    Use double angle formula.

    2 sin x cos x - cos x

    Factor.

    cos x (2 sin x - 1)
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