Pre-Calculus

Convert 225° to radians.

• π/4

• 3π/4

• 5π/4

• 7π/4

Convert 7π/6 radians to degrees.

• 120°

• 210°

• 240°

• 330°

Which pair of angles are coterminal?

• 30° and -30°

• 120° and 240°

• 45° and 315°

• -60° and 300°

Which pair of angles are coterminal?

• 30° and -30°

• 120° and 240°

• -45° and -405°

• -60° and -300°

An angle in standard position has a terminal side that passes through the point (3, 4). What is the value of the tangent of this angle?

• -4/3

• -3/4

• 3/4

• 4/3

Which of the following angles is coterminal with -π/3 radians?

• π/3

• 2π/3

• 5π/3

• 7π/3

Which of the following is NOT a coterminal angle with 120°?

• -240°

• 480°

• 840°

• -60°

Which of the following is accurate about angles in standard position?

• The initial side always coincides with the positive y-axis.

• Positive angles are measured clockwise.

• Coterminal angles have the same initial side and terminal side.

• An angle of 2π radians is equivalent to an angle of -360°.

Which expression represents all angles coterminal with -150°?

• -150° + k * 360°, k is an integer

• -150° + k * 180°, k is an integer

• 150° + k * 360°, k is an integer

• -150° + k * 90°, k is an integer

Which of the following is NOT a characteristic of an angle in standard position?

• Its vertex is at the origin.

• Its initial side lies on the positive x-axis.

• It can be measured in degrees or radians.

• Its terminal side always lies in Quadrant I.