Trig Functions and Graphs (degrees)

Hong Kong

Stage 4 - Stage 5

Given that $x=\pi$`x`=π^{c} represents half a circle, what fraction of the circumference of the unit circle does $x=\frac{\pi}{4}$`x`=π4^{c} represent?

Easy

Approx a minute

Given that $x=\pi$`x`=π^{c} represents half a circle, what fraction of the circumference of the unit circle does $x=\frac{4\pi}{7}$`x`=4π7^{c} represent?

What fraction of the circumference of the unit circle does $x=5\pi$`x`=5π^{c} represent?

What fraction of the circumference of the unit circle does $s=\frac{7\pi}{2}$`s`=7π2 represent?

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