*  Reading Outline, Sec1.5 *
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* Vocabulary/Definitions *
 - Radian
 - Conversion between degrees and radians
 - Arclength on a circle as a function of the angle
 - (x,y) on a unit circle and cos(t), sin(t)
 - Amplitude
 - Period
 - How cos(t) transforms to sin(t) and vice-versa
 - How arbitrary sinusoidal functions are related to cos(t) and sin(t)
 - tan(t)
 - arccos(y), arcsin(y), arctan(y)



* Understand *
1. Find a formula for a sinusoidal function that has successive maximum
values at (1,2) and (3,2) and a minimum at (2,-2).