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If a costheta+b sin theta = 3 and a sin ...

If `a costheta+b sin theta = 3 and a sin theta - b cos theta = 4` then `a^2+b^2` has the value

A

25

B

14

C

7

D

None of these

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A
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MOTION-TRIGNOMETRIC RATIOS & IDENTITIES -Exercise 1
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  16. If alpha+beta+gamma=2pi , then

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  19. The value of (sin 24^@ cos 6^@-sin 6^@sin 66^@)/(sin 21^@ cos 39^@-cos...

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