what-is-minimum-value-of-f-x-sin-x-csc-x-2-sec-x-cos-x-

Question Number 83739 by jagoll last updated on 05/Mar/20

what is minimum value of

f (x) = {(\sin x + \csc x)}^{2} + \sec x + \cos x

Commented by MJS last updated on 05/Mar/20

- \infty

local minima at

x \approx . 924702 \Rightarrow f (x) \approx 6.46912

x \approx 5.35848 \Rightarrow f (x) \approx 6.46912

for 0 ⩽ x < 2 π

Commented by jagoll last updated on 05/Mar/20

the answer 9 sir

Commented by MJS last updated on 05/Mar/20

how ?

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