document.write( "Question 1031224: Given that cos t = 8/9 and that P(t) is a point in the fourth quadrant, find sin t.\r
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Algebra.Com's Answer #645974 by ikleyn(52847) $\"\"$ $\"About$

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\n" ); document.write( "Given that cos t = 8/9 and that P(t) is a point in the fourth quadrant, find sin t.
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document.write( "Since cos(t) = , you have \r\n" );
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document.write( " =  =  =  = .\r\n" );
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document.write( "Hence, sin(t) = +/- .\r\n" );
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document.write( "Now, what sign,  \"+\"  or  \"-\",  to choose? \r\n" );
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document.write( "Since P(T) is in QIV, what sign for sin(t) will you choose? \r\n" );
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\n" ); document.write( "\n" ); document.write( "Comment from student: Thanks so much for the help! By the way, I'm thinking that the sign would be negative?\r
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document.write( "My response:  you are right!  Hope next time you will be able to solve similar problems on your own.  Good luck!!!\r\n" );
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