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 InstantCalculatorsHere is the InstantCalculator for the Cos function. Enter the parameters for your calculation and click Calculate to see the result.
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Entering Commands DirectlyYou 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  .
You can compute approximate values of trigonometric functions.
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This is the derivative.
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This is the indefinite integral.
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Ordinary Mathematical NotationThis also gives the derivative.
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This also gives the indefinite integral.
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