If `cosx+sinx=sqrt(2)cosx`, prove that that `cosx-sinx=sqrt(2)sinx`.
3,964 views · Published 11 October 2018 · 4:00 · Indexed 22 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `cosx+sinx=sqrt(2)cosx`, prove that that `cosx-sinx=sqrt(2)sinx`.
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