UK Secondary (7-11)
Unit circle and 3 trig functions

## Interactive practice questions

Given that $x=180^\circ$x=180° represents half a circle, what fraction of the circumference of the unit circle does $x=60^\circ$x=60° represent?

Easy
Less than a minute
Given that $x=180^\circ$x=180° represents half a circle, what fraction of the circumference of the unit circle does $x=225^\circ$x=225° represent?
What fraction of the circumference of the unit circle does $x=540^\circ$x=540° represent?
What fraction of the circumference of the unit circle does $s=450^\circ$s=450° represent?