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3 cards from this section. Quick, good the night before a test.
What is the amplitude of the sine graph?
Think about how high the curve goes from the centerline.
At what angle is cos(90°) equal to 0?
What is the peak position on the unit circle at 90°?
What is the amplitude of the sine function?
Remember how high the sine curve reaches.
True or False: The period of the cosine function is 360°.
Think about how far the function travels before repeating.
Sketch the graph of y = -sin(θ) and describe how it differs from y = sin(θ).
Think about how flipping affects the shape of the wave.
Calculate the value of tan(180°) and explain what this implies about its position on the graph.
Where does the tangent graph cross the x-axis?
5 more questions in this section. Enroll free to practise them all.
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