3A. Trigonometric and Polar Functions
United States of America
AP Precalculus
3.4 Sine and cosine function graphs
Interactive practice questions
Consider the graph of the unit circle shown below.
State the value of $\cos60^\circ$cos60°.
Medium
< 1min
Consider the graph of the unit circle shown below.
Medium
< 1min
Use the figure to find the value of $\sin\left(\frac{7\pi}{6}\right)$sin(7π6).
Medium
< 1min
Use the figure to find the value of $\cos\left(\frac{2\pi}{3}\right)$cos(2π3).
Medium
< 1min
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