BITSAT 2022 Paper

Section: Mathematics

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Question : 100 of 130

Marks: +1, -0

If x∈(0,‌

π

2

), then the value of
cos−1(‌

7

2

(1+cos‌2‌x)+√(sin‌2x−48cos2x)sin‌x)
is equal to

x−cos−1(7‌cos‌x)
x+sin‌−1(7‌cos‌x)
x+cos−1(6‌cos‌x)
x+cos−1(7‌cos‌x)

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