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JEE Main Math Class 12 Inverse Trigonometric Functions Questions
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© examsnet.com
Question : 25
Total: 74
The value of
tan
−
1
(
cos
(
15
π
4
)
−
1
sin
(
π
4
)
)
is equal to :
[25-Jun-2022-Shift-2]
−
π
4
−
π
8
−
5
π
12
−
4
π
9
Validate
Solution:
tan
−
1
(
cos
(
15
π
4
)
−
1
sin
π
4
)
=
tan
−
1
(
1
√
2
−
1
1
√
2
)
=
tan
−
1
(
1
−
√
2
)
=
−
tan
−
1
(
√
2
−
1
)
=
−
π
8
© examsnet.com
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