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Differentiation of trigonometric functions and differentiation rules — Question 242

Original QCE Vault practice · 1 mark

Q242 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 242

If y=cos⁡(3x−1)y=\cos(3x-1), then dydx\dfrac{dy}{dx} is
(A)
3sin⁡(3x−1)3\sin(3x-1)
(B)
3cos⁡(3x−1)3\cos(3x-1)
(C)
−3sin⁡(3x−1)-3\sin(3x-1)
(D)
−sin⁡(3x−1)-\sin(3x-1)
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