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solve :- cos 2 theta - cos theta=0

Harish Singh

Oct. 19, 2018, 11:04 a.m.

Answers!

Harish Singh

Oct. 19, 2018, 11:07 a.m.

Solve the following :- 1:cos2x-cosx=0

2:sinx-cosx=under root 2

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