a) Period?- Why is the period for sine and cosine 2pi, whereas the period for tangent and cotangent is pi?
b) Amplitude?- How does the fact that sine and cosine have amplitudes of one (and the other trig functions don't have amplitudes) relate to what we know about unit circles?
What does the viewer need to pay special attention to?
The view will need to pay attention to the following problem. It will require that they reference their unit circle as it it shown numerous times throughout the video. They should make sure to notice how the unit circle relates to the period and amplitude. These terms and what they mean should be learned.
What is the problem about?
The problem deals with periods and asymptotes. In the video it is discovered what theses mean and what exactly their importance is. We learn why they are what they are and how the unit circle can be used to explain their value. This problem is a way to connect what we have learned about trig functions.
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