TMUA Official 2017 Paper 2 · Question 12

The diagram shows the graphs of $y=\sin2x$ and $y=\cos2x$ for $-\frac\pi2<x<\frac\pi2$ . Which one of the following is not true?

\cos2x<\sin2x<\tan x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

\cos2x<\tan x<\sin2x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

\sin2x<\cos2x<\tan x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

\sin2x<\tan x<\cos2x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

\tan x<\sin2x<\cos2x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

\tan x<\cos2x<\sin2x

for some real number

x

with

-\frac\pi2<x<\frac\pi2

examday