document.write( "Question 158273This question is from textbook college mathematics II
\n" ); document.write( ": how can i find the equation of a given trigonometric function graph? what the period and how can i find it? How can i know if a graph equation is y= sin x or if its y= cos x? \n" ); document.write( "

Algebra.Com's Answer #116688 by edjones(8007) $\"\"$ $\"About$

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A sin wave is odd and is symmetric with respect to the origin. It goes through the origin.
\n" ); document.write( "A cos wave is even which means that it is symmetric with respect to the y axis.
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