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Write the expression in terms of sine only. 8(sin 2x − cos 2x)Asked by nikko
Write the expression in terms of sine only.
3(sin 2x − cos 2x)
3(sin 2x − cos 2x)
Answers
Answered by
oobleck
sin2x - cos2x = √2 (sin2x * 1/√2 - 1/√2 cos2x) = √2 sin(2x - π/4)