If `a`, `B`, `C` are positive acute angles and `tanA=4/7`, `tanB=1/7`, `tanC=1/8`, prove that `...
802 views · Published 11 October 2018 · 2:36 · Indexed 27 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `a`, `B`, `C` are positive acute angles and `tanA=4/7`, `tanB=1/7`, `tanC=1/8`, prove that `A+B+C=45`
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