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If Cos 3 theta =sin(theta -34^@), then t...

If `Cos 3 theta =sin(theta -34^@)`, then the value of `theta` as an acute angle is:
यदि `Cos 3 theta =sin(theta -34^@)`,तो `theta` का मान ज्ञात करें जो की न्यून कोण है

A

`34^@`

B

`31^@`

C

`56^@`

D

`17^@`

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