document.write( "Question 839769: Solve for x=r*cos theta in degrees 0, 45, 90, 135, 180, 225, 270, 315, 360. \n" ); document.write( "
Algebra.Com's Answer #505854 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Solve for x=r*cos theta in degrees
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\n" ); document.write( "cos(theta) = x/r
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\n" ); document.write( "theta = arccos(x/r)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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