Calculates the cosine of an angle.
cos() is useful for many geometric tasks in creative coding. The values returned oscillate between -1 and 1 as the input angle increases. cos() calculates the cosine of an angle, using radians by default, or according to if angleMode() setting (RADIANS or DEGREES).
示例
语法
cos(angle)
参数
angle
Number:
the angle, in radians by default, or according to if angleMode() setting (RADIANS or DEGREES).
返回值
Number: cosine of the angle.
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