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If sin(theta+30^@)=3/sqrt12, then the va...

If `sin(theta+30^@)=3/sqrt12`, then the value of `theta` is equal to:
यदि `sin(theta+30^@)=3/sqrt12` , तो `theta` का मान ज्ञात करें ।

A

`60^@`

B

`15^@`

C

`45^@`

D

`30^@`

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  11. If (sec theta+tan theta)/(sec theta-tan theta)=5, and theta is an acut...

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  13. If sin(A-B) =1/2 and cos(A+B) =1/2, where A>B>0^@, and A+B is an acute...

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