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Cos

Cos[z] gives the cosine of z.

• The argument of Cos is assumed to be in radians. (Multiply by Degree to convert from degrees.)
Cos[z] can be input as  .
• See also:
ArcCos, Sec, Sin, TrigToExp.
    

Examples

Using InstantCalculators

Here is the InstantCalculator for the Cos function. Enter the parameters for your calculation and click Calculate to see the result.

Entering Commands Directly

You can paste a template for this command via the Text Input button on the Cos Function Controller.

Here is a plot of Cos[x] for x from 0 to 2 Pi.

You can compute approximate values of trigonometric functions.

This is the derivative.

This is the indefinite integral.

Ordinary Mathematical Notation

This also gives the derivative.

This also gives the indefinite integral.



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