How to evaluate for sine using coterminal angles and right triangles

The video tutorial covers the understanding of angles, focusing on the use of pi in fractions. It explains the concept of terminal sides and theta, and how to find reference and coterminal angles. The tutorial also demonstrates calculating sine and creating triangles, concluding with a Q&A session.

What is the angle measure when you rotate halfway around a circle?

• π/2

• 3π/2

• 2π

• π

How many sections are there if you divide π into sixths?

• 3

• 6

• 18

• 12

What is the terminal side of an angle?

• The starting point of the angle

• The point where the angle stops

• The reference angle

• The midpoint of the angle

How can you find a coterminal angle?

• By adding or subtracting π

• By dividing by π

• By adding or subtracting 2π

• By multiplying by 2π

What is the sine of 30 degrees?

• 1

• 0

• 1/2

• √3/2