cos() Function

Returns the cosine(s) of the specified number(s).

Syntax

cos( number, … )

number: (Decimal) An angle measure or array of angle measures in radians, the cosine(s) of which will be returned.

Returns

Decimal

Notes

This function can only be used for values between 0 and 2π (~6.286).

Examples

You can experiment with this function in the test box below.

Test Input

cos(1) returns 0.5403023058681398

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