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  • 2017 April(74F) Math Question 59

    Trigonometry

    - Graphing Trig Functions

    Choice A
    Recall that |sinθ| ≤ 1 for all θ ∈ R. Thus, we need only to find θ where sinθ = ±1. Going back to your unit circle, those values are θ = ±π/2

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