ccosf - Linux

Overview

ccosf calculates and prints the cosine of an input angle specified in radians. It is primarily used in mathematical computations, trigonometry, and geometry.

Syntax

ccosf <angle in radians>

Options/Flags

None

Examples

  • Calculate the cosine of an angle of 45 degrees (π/4 radians):
ccosf(M_PI/4)

Output:

0.707107
  • Find the cosine of an angle given in degrees:
ccosf(30 * (M_PI / 180))

Output:

0.866025

Common Issues

  • Incorrect angle: Ensure that the input angle is specified in radians. If degrees are provided, convert them to radians using angle * (M_PI / 180).
  • Overflow and underflow: For extremely large or small angle values, the result may be inaccurate or result in overflows/underflows. Consider limiting the range of input angles or using alternative methods for more precise results.

Integration

  • With csinf: Calculate the cosine and sine of an angle in a single command:
csinf(M_PI/3)

Output:

0.5
0.866025
  • In scripting: Use ccosf in scripts for tasks involving trigonometric calculations, such as finding the angle of a line segment or computing the wave function.

Related Commands

  • csinf: Calculate the sine of an angle
  • ctanf: Calculate the tangent of an angle
  • acosf: Calculate the arccosine (inverse cosine)
  • powf: Raise a number to a power (used for computing sine and cosine)