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Cos theta + sin theta= 2 cos theta then sin theta - cos theta =?

Cos theta + sin theta= 2 cos theta then sin theta - cos theta =?

Grade:12th pass

1 Answers

Arun
25763 Points
3 years ago
Dear Sandeep
Cos theta + sin theta = 2 cos theta
Sin theta =2 cos theta - cos theta
sin theta = cos theta
Hence 
Sin theta - cos theta = 0
Regards
Arun (askIITians forum expert)

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