Find two solutions of each equation. Give your answers in degrees  (0° ≤ θ < 360°)  and in radians  (0 ≤ θ < 2π).  Do not use a calculator. (Do not enter your answers with degree symbols. Enter your answers as comma-separated lists.) (a)     sin(θ) =  (√3)/2   (b)     csc(θ) = (2√3)/3

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A: Proceed as shown below...

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A: Given the data:

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A: Topic: trigonometry

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A:

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A: cos(2θ)+sin2θ=0cos2θ-sin2θ+sin2θ=0cos2θ=0cos2θ=cos2(π2)We know that cos2θ=cos2(α)…

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A: sin−1−22

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Q: 11) sin-1 2.

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A: The given equation is 2cosx+sin2x=0.

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A: Follow the steps.

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A: Consider the standard trigonometric Identities 1-sin2(A)=cos2(A)    and    1-2sin2(A)=cos(2A)