What is the radian measure of an angle whose measure is −420°

radians = 7π/3   or ( π/3 ) ... First quadrant

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What is the radian measure of an angle whose measure is −420°

Solution:-

- The radian angle for angle given in degrees = 420°. The conversion relation of angle in degrees to radians is as follows

                           radians = degrees*2pi / 360°

                           radians = 420° * 2pi / 360

                           radians = 7π/3   or ( π/3 ) ... First quadrant

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