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यदि sin^(-1)2/sqrt(5) , sin^(-1) 3/sqrt(...

यदि `sin^(-1)2/sqrt(5) , sin^(-1) 3/sqrt(10), sin^(-1) alpha` एक त्रिभुज के कोण हों, तो `alpha` का मान है-

A

`-1/sqrt(2)`

B

`1/2`

C

`1/sqrt(2)`

D

`1/sqrt(3)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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