cos theta – sin theta =√2 sin theta then prove cos theta + sin theta = √2 cos theta​

Question

cos theta – sin theta =√2 sin theta then prove cos theta + sin theta = √2 cos theta​

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Lyla 4 weeks 2021-08-19T05:32:47+00:00 1 Answer 0 views 0

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    2021-08-19T05:33:50+00:00

    Answer:

    Cube of 4th root of 324 see answer

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