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Find the derivative of cos2theta.

Find the derivative of cos2theta.
asked 94.2k views
2 votes
Find the derivative of cos2theta.

asked
User Rune Vejen Petersen
by
8.1k points

1 Answer

3 votes
the answer

let y=cos2theta.

y'= -2sin2theta.
answered
User Narendra Jaggi
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