TRUECALC
Functions

COS

Cosine of an angle in radians

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When to use it

When should I use COS?

Use COS to compute the cosine of an angle given in radians; combine with RADIANS to convert from degrees first.

Used in

science · engineering

Syntax

COS(angle)

Examples

=COS(PI()) // => -1
=COS(1) // => 0.5403023058681398
=COS(0) // => 1

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