posted by janet .
Please can you help me with this question?
Choose the option which is a false statement:
F arccos (1/2squareroot2)=1/4pi
The right-hand-side of all the answers are in terms of π, typically for angles.
The left-hand-sides all return angles (arccos, arctan...) except one.
We also note that -1≤sin(x)≤1
so it is impossible that sin(x)>1.
Can you find that case?