24-25 Radians & Degrees REVIEW

Front

What is the value of 2π/3 in degrees?

Back

120°

Front

Which quadrant is 2π/3 in?

Back

II

Front

What is a reference angle?

Back

The acute angle formed by the terminal side of an angle and the x-axis.

Front

Find the reference angle for -15°.

Back

15°

Front

What is a coterminal angle?

Back

An angle that shares the same terminal side as another angle.

Front

Find a coterminal angle for -38°.

Back

322° (by adding 360°).

Front

What is the terminal side of an angle?

Back

The position of the angle after rotation from the initial side.

Front

In which quadrant would you find the terminal side of an angle measuring -700°?

Back

1 (after adding 720° to find a positive angle).

Front

What is the degree measure of -295°?

Back

65° (by adding 360°).

Front

How do you convert radians to degrees?

Back

Multiply by 180/π.