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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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Outcomes

3.4.A

Construct representations of the sine and cosine functions using the unit circle.

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