Question

Hiiiiiii friends
plzz help me to solve this question ​

Answer 1

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Answer 2

Answer:

hey dear I think ur answer is 1/4 is maximum and -1/4 is minimum

you can do it as max value of a trigonometric eqn is ( acosx + b sinx ) is √a²+b²,-√a²+b²

i hope it will help u

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