JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 56 of 75

Marks: +1, -0

If f′(x)=tan−1(sec‌x+tan‌x), −

π

2

<x<

π

2

, and f(0)=0, then f(1) is equal to

[9 Jan 2020 Shift 1]

π−1
4
π+2
4
π+1
4
1
4

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