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Differentiation of trigonometric functions and differentiation rules — Question 156

Original QCE Vault practice · 1 mark

Q156 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 156

Determine ddx[cos⁡(5x)]\dfrac{d}{dx}[\cos(5x)].
(A)
−sin⁡(5x)-\sin(5x)
(B)
−5sin⁡(5x)-5\sin(5x)
(C)
5cos⁡(5x)5\cos(5x)
(D)
5sin⁡(5x)5\sin(5x)
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