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11 July, 11:17

find the nearest two positive coterminal angles and the nearest two negative coterminal angles for 420°

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  1. 11 July, 14:32
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    Positive Coterminal Angles = 60°,780°

    Negative Coterminal Angles = - 300°, - 660°

    Step-by-step explanation:

    Positive Coterminal Angles:

    To find nearest two coterminal angle of 420°:

    1) Subtract 360° from 420°:

    420° - 360° = 60° (First Positive Coterminal Angle)

    2) Add 360° to 420°:

    420° + 360° = 780° (Second Positive Coterminal Angle)

    Negative Coterminal angles:

    To find nearest two negative coterminal angles of 420°. We' lave to take the value below 0.

    1) Substract 360° from 420°

    420° - 360° = 60°

    Which is still a positive value.

    2) Again Substract 360° from 60°

    60° - 360° = - 300° (First Negative Coterminal Angle)

    3) Subtract 360° from - 300°

    -300° - 360° = - 660° (Second Negative Coterminal Angle)
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