If A,B,c enote the angles of a triangle ABC then prove that the triangle is right angled if and...
164 views · Published 11 October 2018 · 5:59 · Indexed 29 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If A,B,c enote the angles of a triangle ABC then prove that the triangle is right angled if and only in `sin4A+sin4B+sin4C=0`
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