If A`=tan6^0tan42^0 and B=cot66^0cot78^0` , then
917 views · Published 12 October 2018 · 3:47 · Indexed 21 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If A`=tan6^0tan42^0 and B=cot66^0cot78^0` , then
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