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The trigonometric equation sin^(-1)x=2si...

The trigonometric equation `sin^(-1)x=2sin^(-1)a` has a solution for

A

all real values of a

B

`|a|lt1/2`

C

`|a|le1/(sqrt(2))`

D

`-1/(sqrt(2))lealt1/(sqrt(2))`

Text Solution

Verified by Experts

The correct Answer is:
D
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