If `2cos^2theta-2sin^2theta=1` , then `theta` equals to
84 views · Published 12 October 2018 · 1:13 · Indexed 20 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `2cos^2theta-2sin^2theta=1` , then `theta` equals to
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