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Trigonometry Inverse Trigonometric Functions
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Q.
If sin
-1
x = π/5 for some x ∈ [-1, 1] then cos
-1
x=
A.
3π/10
B.
5π/10
C.
7π/10
D.
9π/10
E.
None of the above
View Answer
Correct choice: A
Explanation:
None
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