sin()

Description

Calculates the sine of an angle (in radians). The result will be between -1 and 1.

Syntax

Use the following function to calculate the sine of a given angle in radians:

sin(rad)

Parameters

The function admits the following parameter:

rad

float

Returns

The function returns the sine of the angle. Data type:

double

Example Code

1float angle = (2.0 / 3.0) * M_PI;  // in radians
2double res = 0;
3
4void setup() {
5  Serial.begin(9600);
6
7  res = sin(angle);
8
9  Serial.print("The angle sine is: ");
10  Serial.println(res);
11}
12
13void loop() {
14}

See also

• float
• double