sec^(2)-28^@ - cot 62^(@) + sin^(2) 60^@...

`sec^(2)-28^@ - cot 62^(@) + sin^(2) 60^@ + "cosec" 30^@` का मान है -

A

3

B

`23/4`

C

`1/3`

D

`1/2`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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