If = 4 , then the value of 5 + 3 5 - 3 is?

Answer: Option A

$$\begin{array}{rl}& \cot \theta =4\\ & \therefore \frac{5\sin \theta +3\cos \theta }{5\sin \theta -3\cos \theta }\\ & =\frac{5+3\cot \theta }{5-3\cot \theta }\\ & =\frac{5+3\times 4}{5-3\times 4}\\ & =-\frac{17}{7}\end{array}$$