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If Sin theta= Cos(50^@+theta), then thet...

If `Sin theta= Cos(50^@+theta)`, then `theta` is equal to:
`Sin theta= Cos(50^@+theta)`, है, तो `theta` का मान क्या होगा ?

A

`20^@`

B

`25^@`

C

`30^@`

D

`35^@`

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