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10 questions from this quiz
360°360°360°
180°180°180°
θ=tan−1x+k×180°θ = \tan^{-1} x + k × 180°θ=tan−1x+k×180°
First quadrant (0°0°0° to 90°90°90°)
Second quadrant (90°90°90° to 180°180°180°)
Fourth quadrant (270°270°270° to 360°360°360°)
kkk is any integer
θ=sin−1x+k×360°θ = \sin^{-1} x + k × 360°θ=sin−1x+k×360°
It could equal zero & you'd lose solutions
Simplify using algebra & trig identities
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