If ` tan ^ 2 alpha = 2 tan ^2 beta + 1, then the value of cos 2 alpha + sin ^2 beta + 3`:
411 views · Published 13 October 2018 · 3:28 · Indexed 7 October 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If ` tan ^ 2 alpha = 2 tan ^2 beta + 1, then the value of cos 2 alpha + sin ^2 beta + 3`:
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