Question: Use Theorem 1 to verify the formula. d/dx sec x = sec x tan x THEOREM 1 Derivative of Sine and Cosine The functions y
Use Theorem 1 to verify the formula.

d/dx sec x = sec x tan x
THEOREM 1 Derivative of Sine and Cosine The functions y = sin x and y = cos x are differentiable and d dx sin x = cos x and d dx - sin x COS X = -
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