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For 0^@< theta <90^@, if 2cos^2 theta=3s...

For `0^@< theta <90^@`, if `2cos^2 theta=3sin theta`, then the value of `(cosec^2 theta- cot^2 theta+cos^2 theta)` is equal to :
`0^@< theta <90^@` के लिए , अगर `2cos^2 theta=3sin theta`, है तो `(cosec^2 theta- cot^2 theta+cos^2 theta)` का मान है:

A

`1 1/2`

B

`2 3/4`

C

`1 3/4`

D

`2 1/4`

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