there are more than three ways to solve this proof , but i don't know how to solve it a triangle m n l ,prove that : 1/n sin L + 1/l sin M + 1/m sin N =K/A where K is half of the triangle's perimeter and A is the triangle's area
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Hello rana mohamed Welcome to Math Help Forum! Originally Posted by rana mohamed there are more than three ways to solve this proof , but i don't know how to solve it a triangle m n l ,prove that : 1/n sin L + 1/l sin M + 1/m sin N =K/A where K is half of the triangle's perimeter and A is the triangle's area I think you want to prove Note that , etc Grandad
thanx very much for helping me solving this proof
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