document.write( "Question 918944: ind the terminal point P(x, y) on the unit circle determined by the given value of t. t = − 3π/4?
\n" ); document.write( "Find the terminal point P(x, y) on the unit circle determined by the given value of t.
\n" ); document.write( "t = −3π/4 \r
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\n" ); document.write( "\n" ); document.write( "P(x, y) = (?,?) \n" ); document.write( "
Algebra.Com's Answer #557455 by lwsshak3(11628)\"\" \"About 
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Find the terminal point P(x, y) on the unit circle determined by the given value of t. t = − 3π/4?
\n" ); document.write( "Find the terminal point P(x, y) on the unit circle determined by the given value of t.
\n" ); document.write( "t = −3π/4
\n" ); document.write( "P(x, y) = (?,?)
\n" ); document.write( "***
\n" ); document.write( "The reference angle of -3π/4 is π/4 in quadrant III where sin<0, cos<0, tan>0
\n" ); document.write( "tan(π/4)=x/y=1
\n" ); document.write( "y=x
\n" ); document.write( "In a unit circle:
\n" ); document.write( "x^2+y^2=1
\n" ); document.write( "x^2+x^2=1
\n" ); document.write( "2x^2=1
\n" ); document.write( "x^2=1/2
\n" ); document.write( "x=1/√2=-√2/2
\n" ); document.write( "y=-√2/2
\n" ); document.write( "P(x,y)=P(-√2/2,-√2/2)
\n" ); document.write( " \n" ); document.write( "
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