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10 questions from this quiz
An equation with trig functions
sin²θ + cos²θ = 1
sinθ = 1/cscθ
tanθ = sinθ/cosθ
sec²θ
Start with sin²θ + cos²θ = 1
sin(-θ) = -sinθ
θ = π/4 + nπ
cos²θ
4/3
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