4.1 PreCalculus +++ Extra Practice

Front

What direction are positive angles measured from standard position?

Back

Counterclockwise

Front

Convert -8π/5 radians to degrees.

Back

-288°

Front

To find an angle that is coterminal to a given angle, add or subtract __________ and the given angle.

Back

2π

Front

Evaluate cos(5π/3).

Back

1/2

Front

What direction are negative angles measured from standard position?

Back

Clockwise

Front

What is the definition of a coterminal angle?

Back

Coterminal angles are angles that share the same terminal side when drawn in standard position.

Front

How do you convert radians to degrees?

Back

Multiply the radian measure by \(\frac{180}{\pi}\).

Front

What is the value of sin(π/6)?

Back

1/2

Front

What is the value of cos(π/3)?

Back

1/2

Front

What is the value of tan(π/4)?

Back

1