168 lines
6.8 KiB
HTML
168 lines
6.8 KiB
HTML
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<title>tan() | reference | Processing.js</title>
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<span class="tagline">a port of the Processing Visualization Language</span>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>tan()</h3></td>
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</tr>
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<tr class="">
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<th scope="row">Examples</th>
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<td><div class="example"><img src="../tan_.gif" alt="example pic" /><pre class="margin">float a = 0.0;
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float inc = TWO_PI/50.0;
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for(int i=0; i<100; i=i+2) {
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line(i, 50, i, 50+tan(a)*2.0);
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a = a + inc;
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}</pre></div></td>
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</tr>
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<tr class="">
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<th scope="row">Description</th>
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<td><p>Calculates the ratio of the sine and cosine of an <b>angle</b>. This function expects the values of the angle parameter to be provided in
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radians (values from 0 to PI*2). Values are returned in the range <b>infinity</b> to <b>-infinity</b>.</p></td>
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</tr>
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<tr class="">
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<th scope="row">Syntax</th>
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<td><pre>tan(<kbd>angle</kbd>);</pre></td>
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</tr>
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<tr class="">
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<th scope="row">Parameters</th>
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<td><table cellpadding="0" cellspacing="0" border="0">
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<tr class="">
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<th scope="row">angle</th>
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<td>float: an angle in radians</td>
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</tr>
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</table></td>
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</tr>
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<tr class="">
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<th scope="row">Returns</th>
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<td>float</td>
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</tr>
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<tr class="">
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<th scope="row">Usage</th>
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<td>Web & Application</td>
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<th scope="row">Related</th>
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<td><a href="../cos_.1">cos() </a><br />
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<a href="../sin_.1">sin() </a><br />
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<a href="../radians_.1">radians() </a><br /></td>
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<p>This reference is licensed under the CC BY-NC-SA 2.0 license:</p>
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Processing is an open visualization language developed by
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