Question

How to use Math.sin() to get the sine of a number in JavaScript

Answer 1

document.write("Math.sin(1) = " + Math.sin(1) + "<br />");
document.write("Math.sin(0) = " + Math.sin(0) + "<br />");
document.write("Math.sin(-1) = " + Math.sin(-1) + "<br />");
document.write("Math.sin(-0) = " + Math.sin(-0) + "<br />");
document.write("Math.sin(Math.PI / 2) = " + Math.sin(Math.PI / 2) + "<br />");
document.write("Math.sin(Math.PI / 6) = " + Math.sin(Math.PI / 6) + "<br />");
document.write("Math.sin(Math.PI / 180) = " + Math.sin(Math.PI / 180) + "<br />");
document.write("Math.sin(-2 * Math.PI / 4) = " + Math.sin(-2 * Math.PI / 4) + "<br />");
 
/*
run

Math.sin(1) = 0.8414709848078965
Math.sin(0) = 0
Math.sin(-1) = -0.8414709848078965
Math.sin(-0) = 0
Math.sin(Math.PI / 2) = 1
Math.sin(Math.PI / 6) = 0.49999999999999994
Math.sin(Math.PI / 180) = 0.01745240643728351
Math.sin(-2 * Math.PI / 4) = -1
 
*/

 

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