In the interval

MATHEMATICS · Single correct · A Level · Mathematics · Exponentials and logarithms · Exponentials and logarithms

Problem

In the interval [−π2,π2]\left[-\frac{\pi}{2},\frac{\pi}{2}\right], the equation log⁡sin⁡θ(cos⁡2θ)=2\log_{\sin\theta}(\cos^2\theta)=2 has (1) No solution (2) A unique solution (3) Two solutions (4) Infinitely many solutions

Related theory

Browse the problem library