If `cos 25^0 + sin 25^0 = K`, then `cos 50^0` is equal to
951 views · Published 12 October 2018 · 2:47 · Indexed 6 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `cos 25^0 + sin 25^0 = K`, then `cos 50^0` is equal to
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