Question: Determine whether the statement is true or false. Justify your answer. 1. y = sin is not a function because sin 30 = sin

Determine whether the statement is true or false. Justify your answer.
1. y = sin θ is not a function because sin 30° = sin 150°.
2. Because tan (3π / 4) = -1, arctan (-1) = 3π /4.

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