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The least value of 8 cosec^2 theta+ 25 s...

The least value of `8 cosec^2 theta+ 25 sin^2 theta` is:
`8 cosec^2 theta+ 25 sin^2 theta` का न्यूनतम मान होगा :

A

`20 sqrt2`

B

`10 sqrt2`

C

`40 sqrt2`

D

`30 sqrt2`

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