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10 questions from this quiz
True for all values in the domain
The more complex side
sec2θ\sec^2 \thetasec2θ
1cosθ\frac{1}{\cos \theta}cosθ1
sinθcosθ\frac{\sin \theta}{\cos \theta}cosθsinθ
2sinθcosθ2\sin \theta \cos \theta2sinθcosθ
Combine into a single fraction
They're fundamental & reveal patterns
LHS = RHS
1+cot2θ1 + \cot^2 \theta1+cot2θ
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