Gets the sine of an angle.
Parameter |
Description |
value |
An angle in radians. See below for special cases.
See rad (JavaScript) to
convert degrees to radians. |
Return value |
Description |
double |
The sine of the parameter. |
Usage
Special cases are as follows:
- The sine of
NaN
or infinity is NaN.
- The sine of
+0
is positive zero.
- The sine of
-0
is negative zero.
Examples
This button
onclick
event
calculates the two legs of a right triangle given an angle in degrees
and the length of the hypotenuse.
sessionScope.a =
Math.sin(Math.rad(sessionScope.angleA)) * sessionScope.h;
sessionScope.b =
Math.cos(Math.rad(sessionScope.angleA)) * sessionScope.h