sec^(2) 29^(@) - cot^(2) 61^(@) + sin^(2...

`sec^(2) 29^(@) - cot^(2) 61^(@) + sin^(2) 60^(@) + "cosec" 30^@` बराबर है -

A

`23/4`

B

`15/4`

C

`19/4`

D

`11/4`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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