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Parent Graphs of Sine and Cosine

Mathematics · Class 11

Five-point sketch: 0, quarter, half, three-quarter, full period. Cos is sine shifted. Both amplitude 1, period 2 pi.

five key points
amplitude |b|
period 2 pi/|c| for sin, cos
c is period, b is amplitude
PARENT GRAPHS OF SINE AND COSINE: Five-point sketch: 0, quarter, half, three-quarter, full period. Cos is sine shifted. Both amplitude
PARENT: Five-point sketch: 0, quarter, half, three-quarter, full period.
WHAT — PARENT GRAPHS OF SINE AND COSINE: Five-point sketch: 0, quarter, half, three-quarter, full period. Cos is sine shifted. Both amplitude
WHY — Why it matters: This rule is a separate learning unit inside graphs of sin and cos. It can be defined, applied, and

Right triangle — Parent Graphs of Sine and Cosine — original sketch for this lesson (not copied from a textbook).