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

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

A

all real values

B

`|a| lt 1/2`

C

`|a| le 1/sqrt2`

D

`1/2 lt |a| lt 1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
C
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