Trig Functions (rad)
Interactive practice questions
Given that $x=\pi$x=πc represents half a circle, what fraction of the circumference of the unit circle does $x=\frac{\pi}{4}$x=π4c represent?
Easy
1min
Given that $x=\pi$x=πc represents half a circle, what fraction of the circumference of the unit circle does $x=\frac{4\pi}{7}$x=4π7c represent?
Easy
1min
What fraction of the circumference of the unit circle does $x=5\pi$x=5πc represent?
Easy
< 1min
What fraction of the circumference of the unit circle does $s=\frac{7\pi}{2}$s=7π2 represent?
Medium
1min
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