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10 questions from this quiz
1sinθ\frac{1}{\sin \theta}sinθ1
1cosθ\frac{1}{\cos \theta}cosθ1
180∘180^\circ180∘
90∘90^\circ90∘
(−∞,−1]∪[1,∞)(-\infty, -1] \cup [1, \infty)(−∞,−1]∪[1,∞)
(−∞,∞)(-\infty, \infty)(−∞,∞)
sec2θ=1+tan2θ\sec^2 \theta = 1 + \tan^2 \thetasec2θ=1+tan2θ
csc2θ=1+cot2θ\csc^2 \theta = 1 + \cot^2 \thetacsc2θ=1+cot2θ
111
109\frac{10}{9}910
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