(sec^(2)45^(@) - cot^(2) 45^(@)) - (sin^...

`(sec^(2)45^(@) - cot^(2) 45^(@)) - (sin^(2)30^(@) + sin^(2)60^(@))` का मान क्या होगा ?

A

1

B

`2sqrt(3)`

C

0

D

`(1)/(sqrt(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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