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Unit 6 : Trigonometric Functions

Jocelyn Bassel

Identify the basic curve: y=sin0 or y=cos0

Factor out k from the brackets, if necessary.

Label the horizontal axis in degrees

or radians, as appropriate.

Recommended: Draw and label the basic curve first.

Transform the key points of the

basic curve (maximums, minimums, zeros, and half-way points) with

stretches and then translations. You should plot nine points for each

cycle; this includes the “0.7” points.

Remember: Always stretch

first; then translate.

Pay attention to the domain required: Use arrows

if there is no stated domain. Use solid dots at edges if the domain is

given.