Question

sumnod the minimum and maximum of f(x) = sin²x+ 8cosx - 7​

Answer 1

Step-by-step explanation:

we have given that

f(x)=2sinxcosx−8sinx−−−−(1)

For maximum and minimum value

f

′

(x)=0

⇒2sinxcosx−8sinx=0

⇒2sinx(cosx−4)=0

cosx=4

sinx=0

value=−4

.

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