Cosine

`y = cos(theta)`

Enter a value for all fields

The Cosine of an Angle calculator computes the cosine function of an angle (θ). /attachments/e6cafd5c-da27-11e2-8e97-bc764e04d25f/Cosinecosangle-illustration.png 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:

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
x^y: This is x to the y^th power
10^x: This is ten to the x^th 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 y^th 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.

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