8. Circular Functions
Interactive practice questions
By considering the unit circle, find the exact value of $\tan9\pi$tan9π
Easy
< 1min
Use the figure to find the value of $\sin\left(\frac{7\pi}{6}\right)$sin(7π6).
Easy
< 1min
Use the figure to find the value of $\cos\left(\frac{2\pi}{3}\right)$cos(2π3).
Easy
< 1min
Use the figure to find the value of $\tan\left(\frac{7\pi}{4}\right)$tan(7π4).
Easy
1min
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