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sin(270^(@)-theta).sin(90^(@)-theta)-cos...

`sin(270^(@)-theta).sin(90^(@)-theta)-cos(270^(@)-theta).cos(90^(@)+theta)=`

A

`-1`

B

`1`

C

`0`

D

`2`

Text Solution

Verified by Experts

The correct Answer is:
A
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