Official papers

Official 2023 Paper 1 · Q12

Paper 1TrigonometryFunctions & graphsAlgebra

How many solutions are there to the equation

2tan⁡2x4sin⁡2x=1\frac{2^{\tan^2x}}{4^{\sin^2x}}=1

in the range 0≤x≤2π0\le x\le2\pi?

A22
B33
C44
D55
E66
F77
G88

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