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If tan 4 theta=cot(2 theta+30^@), then t...

If `tan 4 theta=cot(2 theta+30^@)`, then `theta` is equal to:
यदि `tan 4 theta=cot(2 theta+30^@)`, है, तो `theta` का मान ज्ञात करें |

A

`15^@`

B

`10^@`

C

`20^@`

D

`25^@`

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PINNACLE-TRIGONOMETRY-EXERCISE
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  13. If cosec 3 theta=sec (20^@+2 theta), then theta is equal to : यदि ...

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  14. sec^2 29^@- cot^2 61^@+ sin^2 60^@+ cosec^2 30^@ is equal to : sec^2...

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