Write as a single trigonometric function and simplify:

True or false: The sine of half an angle equals half the sine of the angle.

True or false: The period is

Write in terms of sines and cosines and simplify:  

Given right triangle with sides , where

Choose the angle that is coterminal with

For the given right triangle, find

Characteristics of perfect (pure) competition DO NOT include:

Simplify  6 x 6.

Forms of competition range from perfect competition to monopoly: