# Don't Get Confused By The Text

Geometry Level 2

Which of these trigonometric equations is/are impossible in $$\mathbb{R}$$?

A. $$\displaystyle \tan x=\frac{\pi}{2}$$

B. $$\displaystyle \tan \frac{\pi}{2}=x$$

C. $$\displaystyle \sin x=\frac{\pi}{2}$$

D. $$\displaystyle \sin \frac{\pi}{2}=x$$

E. $$\displaystyle \arcsin x=x$$

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