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  • Trigonometry
  • Tests in Angles and Angle Measurement
  • Changing from degrees to radians

Changing from degrees to radians

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  • Question 1:
    1 pts
    		Is the following statement true or false π radians=360∘\pi ~ radians = 360^\circ
  • Question 2:
    1 pts
    		Is the following statement true or false 3π radians=540∘3\pi ~ radians = 540^\circ
  • Question 3:
    2 pts
    		Convert π2\frac{\pi}{2} into degrees:

    30∘30^\circ

    45∘45^\circ

    60∘60^\circ

    90∘90^\circ

  • Question 4:
    2 pts
    		Convert 2π3\frac{2\pi}{3} into degrees:

    100∘100^\circ

    120∘120^\circ

    135∘135^\circ

    150∘150^\circ

  • Question 5:
    1 pts
    		Is the following statement true or false 45∘=π445^\circ = \frac{\pi}{4} radians
  • Question 6:
    1 pts
    		Is the following statement true or false 135∘=4π3radians135^\circ = \frac{4\pi}{3} radians
  • Question 7:
    2 pts
    		The radian measure of 60∘60^\circ is:
    π2\frac{\pi}{2}
    π3\frac{\pi}{3}
    π4\frac{\pi}{4}
    π6\frac{\pi}{6}
  • Question 8:
    3 pts
    		The radian measure of −720∘-720^\circ is:
    −2π-2\pi
    −3π-3\pi
    −4π-4\pi
    −5π-5\pi
  • Question 9:
    3 pts
    		The radian measure of 810∘810^\circ is:
    5π2\frac{5\pi}{2}
    7π2\frac{7\pi}{2}
    9π2\frac{9\pi}{2}
    11π2\frac{11\pi}{2}

Angle Measurement

Right triangle

Unit circle

Trigonometric identities