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10 questions from this quiz
180∘180^\circ180∘ or π\piπ radians
First and second quadrants
Second and third quadrants
Third and fourth quadrants
45∘,225∘45^\circ, 225^\circ45∘,225∘
θ=tan−1(k)+180∘n\theta = \tan^{-1}(k) + 180^\circ nθ=tan−1(k)+180∘n
0≤2x≤7200 \leq 2x \leq 7200≤2x≤720
−540≤3x≤540-540 \leq 3x \leq 540−540≤3x≤540
Due to the periodic nature of trig functions
Isolate the trigonometric function
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