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sin 45^(@)(cos 45^(@))=………….....

`sin 45^(@)(cos 45^(@))`=…………..

A

1

B

`1/2`

C

3

D

none

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  1. 72^(@)=…………….

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  2. sin^2""105^(@)+cos^2""105^(@)=…………..

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  3. sin 45^(@)(cos 45^(@))=…………..

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