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<title>CMSIS-DSP: SineCosine Example</title>
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<dl class="section user"><dt>Description:</dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd>Demonstrates the Pythagorean trignometric identity with the use of Cosine, Sine, Vector Multiplication, and Vector Addition functions.</dd></dl>
<dl class="section user"><dt>Algorithm:</dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd>Mathematically, the Pythagorean trignometric identity is defined by the following equation: <pre>sin(x) * sin(x) + cos(x) * cos(x) = 1</pre> where <code>x</code> is the angle in radians.</dd></dl>
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<img src="sinCos.gif" alt="sinCos.gif"/>
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<dl class="section user"><dt>Variables Description:</dt><dd></dd></dl>
<dl class="section user"><dt></dt><dd><ul>
<li><code>testInput_f32</code> array of input angle in radians </li>
<li><code>testOutput</code> stores sum of the squares of sine and cosine values of input angle</li>
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<dl class="section user"><dt></dt><dd><ul>
<li><a class="el" href="group__cos.html#gace15287f9c64b9b4084d1c797d4c49d8" title="Fast approximation to the trigonometric cosine function for floating-point data.">arm_cos_f32()</a></li>
<li><a class="el" href="group__sin.html#gae164899c4a3fc0e946dc5d55555fe541" title="Fast approximation to the trigonometric sine function for floating-point data.">arm_sin_f32()</a></li>
<li><a class="el" href="group___basic_mult.html#gaca3f0b8227da431ab29225b88888aa32" title="Floating-point vector multiplication.">arm_mult_f32()</a></li>
<li><a class="el" href="group___basic_add.html#ga6a904a547413b10565dd1d251c6bafbd" title="Floating-point vector addition.">arm_add_f32()</a></li>
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<p><b> Refer </b> <a class="el" href="arm_sin_cos_example_f32_8c-example.html">arm_sin_cos_example_f32.c</a> </p>
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