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trigonometrymathsjs.js
window.onload = function()
{
let hypotenuse = 0;
let adjacent = 0;
let opposite = 0;
let anglerad = 0;
anglerad = 0.523598775;
opposite = 5;
writeToConsole(`angle = ${rad2deg(anglerad)}°<br />`);
writeToConsole(`opposite = ${opposite}<br />`);
hypotenuse = opposite / math.sin(anglerad);
adjacent = opposite / math.tan(anglerad);
writeToConsole(`hypotenuse = ${opposite}/sin(${rad2deg(anglerad)}) = ${hypotenuse}<br />`);
writeToConsole(`adjacent = ${opposite}/tan(${rad2deg(anglerad)}) = ${adjacent}<br /><br />`);
anglerad = 0.523598775;
adjacent = 8.66;
writeToConsole(`angle = ${rad2deg(anglerad)}°<br />`);
writeToConsole(`adjacent = ${adjacent}<br />`);
hypotenuse = adjacent / math.cos(anglerad);
opposite = adjacent * math.tan(anglerad);
writeToConsole(`hypotenuse = ${adjacent}/cos(${rad2deg(anglerad)}) = ${hypotenuse}<br />`);
writeToConsole(`opposite = ${adjacent}*tan(${rad2deg(anglerad)}) = ${opposite}<br /><br />`);
anglerad = 0.523598775;
hypotenuse = 10;
writeToConsole(`angle = ${rad2deg(anglerad)}°<br />`);
writeToConsole(`hypotenuse = ${hypotenuse}<br />`);
opposite = hypotenuse * math.sin(anglerad);
adjacent = hypotenuse * math.cos(anglerad);
writeToConsole(`opposite = ${hypotenuse}*sin(${rad2deg(anglerad)}) = ${opposite}<br />`);
writeToConsole(`adjacent = ${hypotenuse}*cos(${rad2deg(anglerad)}) = ${adjacent}<br /><br />`);
opposite = 5;
hypotenuse = 10;
writeToConsole(`opposite = ${opposite}<br />`);
writeToConsole(`hypotenuse = ${hypotenuse}<br />`);
anglerad = math.asin(opposite/hypotenuse);
writeToConsole(`angle = asin(${opposite}/${hypotenuse}) = ${rad2deg(anglerad)}°<br /><br />`);
adjacent = 8.66;
hypotenuse = 10;
writeToConsole(`adjacent = ${adjacent}<br />`);
writeToConsole(`hypotenuse = ${hypotenuse}<br />`);
anglerad = math.acos(adjacent/hypotenuse);
writeToConsole(`angle = acos(${adjacent}/${hypotenuse}) = ${rad2deg(anglerad)}°<br /><br />`);
opposite = 5;
adjacent = 8.66;
writeToConsole(`opposite = ${opposite}<br />`);
writeToConsole(`adjacent = ${adjacent}<br />`);
anglerad = math.atan(opposite/adjacent);
writeToConsole(`angle = atan(${opposite}/${adjacent}) = ${rad2deg(anglerad)}°<br /><br />`);
}
function deg2rad(degrees)
{
return degrees / (180 / math.pi);
}
function rad2deg(radians)
{
return radians * (180 / math.pi);
}
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