Graphs of Sine, Cosine and Tangent (with a First Look at Radians)

Build the graphs of sin x and cos x from the coordinate definition, read amplitude and vertical shift for y = a sin x + c, read the period of y = sin(bx), take a first look at radians as another unit for an angle already known in degrees, and read WAEC's combined graph y = a cos x + b sin x.

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