Statement I: If sin alpha = 12/13, (0 lt...

Statement I: If `sin alpha = 12/13, (0 lt alpha lt pi/2)` and `cos beta =-3/5,(pi lt beta lt (3pi)/2)`, then `sin(alpha + beta) = 56/65`
Statement II : If `theta` and `phi`, are angles in the first quadrant such that `tan theta =1/7` and `sin phi =1/sqrt(10)`, then `theta + 2phi = 45^(@)`
Which of the above statements is correct?

A

Only I

B

Only II

C

Both I&II

D

Neither I nor II

Verified by Experts

The correct Answer is:

B

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