In the formula `2cos(A/2)=+-sqrt(1+sinA)+-sqrt(1-sinA)` if two positive signs are taken
559 views · Published 12 October 2018 · 4:57 · Indexed 5 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW In the formula `2cos(A/2)=+-sqrt(1+sinA)+-sqrt(1-sinA)` if two positive signs are taken
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