What is the value of the following in terms of trigonometric ratios? $\frac{sinA}{1+cosA}+\frac{1+cosA}{sinA}$ |
2 cosec A 2 cos A 2 sec A 2 sin A |
2 cosec A |
\(\frac{ sinA}{1 + cosA}\) + \(\frac{ 1 + cosA}{sinA}\) = \(\frac{ sin²A + ( 1 + cos A )²}{sinA(1 + cosA)}\) = \(\frac{ sin²A + 1 + cos² A + 2cosA}{sinA(1 + cosA)}\) { using , sin²A + cos²A = 1 } = \(\frac{ 1 + 1 + 2cosA}{sinA(1 + cosA)}\) = \(\frac{2( 1 + cosA)}{sinA(1 + cosA)}\) = 2 cosecA |