Trigonometry Question
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Grade 11 Trigonometry CCSS: HSF-TF.A.4
Which of the following demonstrates the periodicity of the sine function?
- sin(−θ) = −sin(θ)
- sin(θ) = cos(π/2 − θ)
- sin(θ + 2π) = sin(θ)
- sin(π − θ) = sin(θ)
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