Number of solutions of the trigonometric equation `cos^2( pi/4(cosx + sinx))- tan^2( x + pi/4t...
52 views · Published 12 October 2018 · 5:50 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Number of solutions of the trigonometric equation `cos^2( pi/4(cosx + sinx))- tan^2( x + pi/4tan^2 x) = 1` in `[-2pi, 2pi]` is
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