Keyword Analysis & Research: radian

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Frequently Asked Questions

What exactly is a radian?

The radian is the Standard International (SI) unit of plane angular measure. There are 2 pi, or approximately 6.28318, radians in a complete circle. Thus, one radian is about 57.296 angular degrees.

How many degrees are there in a radian?

The size of a radian is determined by the requirement that there are 2 radians in a circle. Thus 2 radians equals 360 degrees. This means that 1 radian = 180/ degrees, and 1 degree = /180 radians.

What does radian mode do?

Important! this Trigonometry Calculator uses [RAD] mode or radian mode. This used for trigonometric calculation. For example cos (1) the same as cos 1 Rad .Some calculators use RAD Mode or Radian (1 RAD = 57,296°) as a standard-setting.

What does one radian mean?

[rā′dē-ən] A supplementary unit of the International System used in angular measure. One radian is equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57°17′44.6″.

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