sin theta into cos 90 minus theta + cos theta into sin 90 minus theta is equal to 1
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18
here is ur answer.. ....
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ashwini25:
we have to prove it
proved
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38
sin theta× cos(90-theta)+ cos theta× sin(90-theta)
sin theta× sin theta+cos theta×cos theta
sin ^2theta+cos ^2theta
1
please mark this as brainliest
thanks for marking me as brainliest
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