document.write( "Question 212805: find the value of x for which the equation sin x=-1 is true\r
\n" ); document.write( "\n" ); document.write( "a)2pi(n)
\n" ); document.write( "b)pi/2 + 2pi(n)
\n" ); document.write( "c)pi + 2pi(n)
\n" ); document.write( "d)3pi/2 + 2pi(n)
\n" ); document.write( "

Algebra.Com's Answer #160726 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
sin(x)=-1 at 270 degrees or (3/2)pi and each 2*pi multiple
\n" ); document.write( "D).
\n" ); document.write( "
\n" );