sin(arccos(x))
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3. Which of the following statements are true? A. arcos (cos (37)) is undefinedX (B. arcos (1) = 0 V C. arccos (car (?)) - I X
Use the identity cos 2x = cos x cos x - sin x sin x to find the derivative of cos 2x. Express the derivative in terms of sin 2x.
rewrite with only sin x and cos x. sin 2x - cos x
