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The Cosine of an Angle calculator computes the cosine function of an angle (θ).
Right Triangle
INSTRUCTIONS: Choose units and enter the following:
- (θ) This is the angle
Cosine (y): The calculator returns the cosine as a real number between -1 and 1.
Related Calculators:
- Compute the Sine of an Angle
- Compute the Cosine of an Angle
- Compute the Arc-sine
- Compute the Arc-cosine
The Math / Science
The Cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse of a right triangle.
Scientific Calculator Functions
Basic Math Functions:
- x-1: This is the mathematical inverse or reciprocal of x, which is also 1/x
- x! : This is the factorial of x
- x2: This is the square of x
- x3: This is the cube of x
- xy: This is x to the yth power
- 10x: This is ten to the xth power.
- `sqrt(x)`: This is the square root of x
- `root(3)(x)`: This is the cube root of x
- `root(y)(x)`: This is the yth root of x
- Rand: This returns a random number between 0 and 1.
- log(x): This the base 10 log of x
- ln(x) : This provides the natural log of x
- MOD: This provides the integer remainder of x/y.
- GCD: This is the greatest common divisor of two numbers
Math Constants:
- e - this is the base of the natural log
- π - This is the base of Euclidean geometry
Trigonometry Functions:
- sin(θ) : This is the sine function of an angle.
- cos(θ): This is the cosine function of an angle.
- tan(θ): This is the tangent function of an angle.
- sin-1(x): This is the angle from the inverse of a sine.
- cos-1(x): This is the angle from the inverse of a cosine.
- tan-1(x): This is the angle from the inverse of a tangent.
Unit Conversions:
- Length: This converts an input length to compatible units.
- Area: This converts an input area to compatible units.
- Volume: This converts an input volume to compatible units.
- Velocity: This converts an input velocity to compatible units.
- Mass: This converts an input mass or weight to compatible units.
- Temp: This converts and input temperature to compatible units.
- Force: This converts an input force to compatible units.
- Pressure: This converts an input pressure to compatible units.
Other Math / Science Calculators:
