Question: Use a calculator to check the indicated basic identities for the given angles. Eq. (20.6) for = 4/3 Data from Eq. (20.6) sin 2

Use a calculator to check the indicated basic identities for the given angles.

Eq. (20.6) for θ = 4π/3


Data from Eq. (20.6)

sin2 θ + cos2 θ = 1

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