Wb Jee
Properties Of Triangle
WB JEE 2010
MCQ+1 / -0.252010
If \({{\cos A} \over 3} = {{\cos B} \over 4} = {1 \over 5}, - {\pi \over 2} < A < 0, - {\pi \over 2} < B < 0\), then value of \(2\sin A + 4\sin B\) is
Wb Jee
WB JEE 2010
If \({{\cos A} \over 3} = {{\cos B} \over 4} = {1 \over 5}, - {\pi \over 2} < A < 0, - {\pi \over 2} < B < 0\), then value of \(2\sin A + 4\sin B\) is