O'Reilly logo

The Humongous Book of Trigonometry Problems by W. Michael Kelley

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Converting Between Angle Measurements

Especially degrees and radians

1.20    Express the angle measurement in degrees: 3 revolutions.

In order to convert from one unit of angle measurement to another, you multiply it by a fraction of the following form:

Select a simple angle when you create the fraction. For example, Problems 1.9–1.10 state that 1 revolution = 360°. This problem instructs you to convert from revolutions to degrees, so “an angle measured in the new units” would be 360°, and “the same angle measured in the old units” would be 1 revolution. Note that the units themselves are omitted from the fraction:

Thus, to convert 3 revolutions ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required