Find cos⁻¹ x from sin⁻¹ x (Jee Mains) | ExamDuo
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Principal Value & Basic Properties
Medium
Find cos⁻¹ x from sin⁻¹ x
If sin ⁻¹ x =
π
5
, for some x ϵ [-1, 1], then the value of cos⁻¹ x is
SELECT ONE OPTION
A
3π
10
B
5π
10
C
7π
10
D
9π
10
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