Let `f(x) = sin^23 x - cos^22 x`, then the number of values of x in interval `[-10pi , 20pi]`
90 views · Published 13 October 2018 · 4:58 · Indexed 2 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Let `f(x) = sin^23 x - cos^22 x`, then the number of values of x in interval `[-10pi , 20pi]` satisfying the equation `f(x) = 1`, is
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