Verify that the equation is an identity. sin 2x = 2 sin x cos x

Algebra and Trigonometry (6th Edition)
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Author:Robert F. Blitzer
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
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Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Verify that the equation is an identity. (Hint: sin 2x = sin (x + x))
sin 2x = 2 sin x cos x
Substitute 2x = x + x and apply the sine of a sum identity.
sin 2x = sin (x + x)
(Do not simplify.)
Transcribed Image Text:Verify that the equation is an identity. (Hint: sin 2x = sin (x + x)) sin 2x = 2 sin x cos x Substitute 2x = x + x and apply the sine of a sum identity. sin 2x = sin (x + x) (Do not simplify.)
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