document.write( "Question 545805: cos(arcsin(-3/5)) \n" ); document.write( "
Algebra.Com's Answer #356638 by lwsshak3(11628)\"\" \"About 
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cos(arcsin(-3/5))
\n" ); document.write( "arcsin(-3/5) is a reference angle whose sin=-3/5 in quadrant IV where sin<0 and cos>0.
\n" ); document.write( "note: arcsin(-3/5) could also be in quadrant III where sin is also<0, but its domain is: [-π/2, π/2]
\n" ); document.write( "..
\n" ); document.write( "cos of this same reference angle=4/5
\n" ); document.write( "Therefore, cos(arcsin(-3/5))=4/5
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