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In a DeltaABC, if a=13, b=14and c=15, t...

In a `DeltaABC,` if `a=13, b=14and c=15, ` then `angle A` is equal to (All symbols used have their usual meaning in a triangle.)

A

`sin ^(-1)""4/5`

B

`sin ^(-1)""3/5`

C

`sin ^(-1)""3/4`

D

`sin ^(-1)""2/3`

Text Solution

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The correct Answer is:
A
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