f(x)=x cos x then f"(0)
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Answered by
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Answer: given: f(x) = x cos x
to evaluate f'(0)
let y = x cos x
f' = x * (-sinx) + cos x * 1 [ product rule ]
=> f' = - x sin x + cos x
=> f' = cos x - x sin x
=> f'(0) = cos 0 - 0*sin 0
=> f'(0) = 1 - 0*0
=> f'(0) = 1
Step-by-step explanation:
Answered by
2
Answer:
i am sorry I didn't know
Step-by-step explanation:
Mark as brainlist
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