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<div id="trig"></div>

<script type="text/javascript">

function getTrigTable( minAngle, maxAngle, step) {

var angle, trigArr = [], resultsArr= [], deg2rad = Math.PI / 180.0, i, tableHTML = "";

minAngle = parseFloat( minAngle );

if (isNaN( minAngle )) minAngle = 0;

maxAngle = parseFloat( maxAngle );

if (isNaN( maxAngle ) maxAngle < minAngle) maxAngle = 360;

step = Math.abs(parseFloat( step ) 1);

for (angle = minAngle; angle <= maxAngle; angle += step) {

trigArr[0] = angle + "&deg;";

trigArr[1] = Math.round(Math.sin( angle * deg2rad ) * 1e7) / 1e7;

trigArr[2] = Math.round(Math.cos( angle * deg2rad ) * 1e7) / 1e7;

trigArr[3] = Math.round(Math.tan( angle * deg2rad ) * 1e7) / 1e7;

if (trigArr[2] == 0) trigArr[3] = "&infin;";

resultsArr.push( trigArr.slice() );

}

for (i = 0; i < resultsArr.length; i++) {

tableHTML += "<tr><td>" + resultsArr[ i ].join( "</td><td>" ) + "</td></tr>";

}

return "<table border="1"><thead>" +

"<tr><th>Angle</th><th>Sin</th><th>Cos</th><th>Tan</th></tr>" +

"</thead><tbody>" + tableHTML + "</tbody></table>";

}

window.onload = function() {

document.getElementById( "trig" ).innerHTML = getTrigTable();

}

</script>

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16y ago

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