Jee Main
Trigonometric Functions And Equations
JEE Main 2021 (Online) 1st September Evening Shift
MCQ+4 / -12021
If n is the number of solutions of the equation
\(2\cos x\left( {4\sin \left( {{\pi \over 4} + x} \right)\sin \left( {{\pi \over 4} - x} \right) - 1} \right) = 1,x \in [0,\pi ]\) and S is the sum of all these solutions, then the ordered pair (n, S) is :
\(2\cos x\left( {4\sin \left( {{\pi \over 4} + x} \right)\sin \left( {{\pi \over 4} - x} \right) - 1} \right) = 1,x \in [0,\pi ]\) and S is the sum of all these solutions, then the ordered pair (n, S) is :