If sin^(-1)x = theta + beta and sin^(-1)...

If `sin^(-1)x = theta + beta and sin^(-1)y = theta - beta `, then `1+xy=` (i) `sin^(2) θ+sin^(2) β ` (ii) `sin^(2) θ+cos^(2) β` (iii) `cos^(2) θ+cos^(2) β` (iv) `cos^(2) θ+sin^(2) β`

A

`sin^(2) theta + sin^(2) beta`

B

`sin^(2) theta + cos^(2) beta`

C

`cos^(2) theta + cos^(2) beta`

D

`cos^(2) theta + sin^(2) beta`

Verified by Experts

The correct Answer is:

B

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