Question

How to use the Math.asin() function to get the arcsine (in radians) of a number in JavaScript

Answer 1

document.write("Math.asin(-1) = " + Math.asin(-1) + "<br />");
document.write("Math.asin(-2) = " + Math.asin(-2) + "<br />");
document.write("Math.asin(1) = " + Math.asin(1) + "<br />");
document.write("Math.asin(2) = " + Math.asin(2) + "<br />");
document.write("Math.asin(0) = " + Math.asin(0) + "<br />");
document.write("Math.asin(0.5) = " + Math.asin(0.5) + "<br />");
document.write("Math.asin(10) = " + Math.asin(10) + "<br />");

 
/*
run

Math.asin(-1) = -1.5707963267948965
Math.asin(-2) = NaN
Math.asin(1) = 1.5707963267948965
Math.asin(2) = NaN
Math.asin(0) = 0
Math.asin(0.5) = 0.5235987755982989
Math.asin(10) = NaN
 
*/

 

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