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Notation
Cosine Function on a Right Triangle
Learn About the Cosine Function on a Right Triangle
The
cosine function
can be used on a
right triangle
. The cosine of an angle gives the ratio of the length of the
adjacent
side to the length of the
hypotenuse
.
About This Widget
This widget allows you to find the angle, adjacent and hypotenuse of a right triangle. Draw a right triangle by:
Clicking on the canvas, or
Entering
two
of the angle, adjacent and hypotenuse.
Dimensions of the Right Triangle
Angle:
Degrees
Radians
Adjacent:
Hypotenuse:
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See Also
What is the cosine function?
What is a right triangle?
What is the adjacent?
What is the hypotenuse?
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