JEE Main & Advanced
Mathematics
Trigonometric Equations
Question Bank
Numerical Value Type Questions - Trigonometric Equation
question_answer
If the most general solution of \[{{2}^{1+\left| \cos x \right|+{{\cos }^{2}}x+{{\left| \cos x \right|}^{3}}+.....}}^{\infty }=4,\] is \[n\,\pi \pm \frac{\pi }{k}\] then find k.