यदि cos ^(-1) ((x)/(a)) + cos ^(-1) ((y)...

यदि `cos ^(-1) ((x)/(a)) + cos ^(-1) ((y)/(b)) = theta, `` (x ^(2))/( a ^(2)) - (2 xy cos theta)/(ab) + (x ^(2))/(b ^(2))` बराबर है -

A

`cos ^(2) theta `

B

` tan ^(2) theta`

C

`sin ^(2) theta`

D

`sec ^(2) theta`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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