CUSAT 2022 BTech Solved Paper Shift 1

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Question : 134 of 200

Marks: +1, -0

Let f(x)=sin‌x,g(x)=2x and h(x)=cos‌x. If φ(x)=[g∘f∘h](x), then ϕ"(‌

π

4

) is equal to

-4
4
1
0

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