Mathematics, 30.01.2021 03:30 danuwell
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For ∠θ, which is located in the second quadrant, the value of cosθ = -0.68. While working in a group, four students found four different methods to find the value of sinθ. Which method for finding the value of sinθ in the second quadrant is correct?
A. cosθ + sinθ = -1
sinθ = -0.32
B. ┃cosθ┃+ sinθ = 1
sinθ = 0.32
C.┃cosθ┃= sinθ
sinθ = 0.68
D. cos²θ + sin²θ = 1
sinθ = 0.73
Answers: 3
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For ∠θ, which is located in the second quadrant, the value of cosθ = -0.68. While worki...
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