The graph below shows y = sin , 0 360, with onevalue of

Question:

The graph below shows y = sin θ, 0 ≤ θ ≤ 360°, with one value of θ (θ = α) marked on the axis.


a. Copy the graph and mark on the θ-axis the positions of 180° − α, 180° + α, and 360° − α.


b. Verify that: sin α = sin (180° − α) = −sin (180° + α) = −sin (360° − α).


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