JEE Main & Advanced
Mathematics
Trigonometric Equations
Question Bank
Numerical Value Type Questions - Trigonometric Equation
question_answer
If \[\exp \left[ \left( {{\sin }^{2}}x+{{\sin }^{4}}x+{{\sin }^{6}}x+.... \right)ln\,\,2 \right]\] satisfies the equation \[{{y}^{2}}-9y+8=0,\] and the value of \[\frac{\cos x}{\cos x+\sin x},0<x<\frac{\pi }{2},\]is \[\frac{a-1}{2}\] then find a.