Question

Cos theta cos (90-theta)-Sin theta Sin (90-theta)
plz explain it and solve
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Answer 1

Answer:

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Answer 2

Answer:

Cos theta cos (90-theta)-Sin theta Sin (90-theta)

ans is here __cos theta sin theta - sin theta cos theta

equal to 0

zero is your answer..

Explanation:

cos(90-theta) equal to sin theta

and

sin(90-theta) equal to cos theta

Hope u will help..

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