document.write( "Question 1117649: given that sin a =-4/5 and tan a >0, find all the trigonometric ratios of a \n" ); document.write( "
Algebra.Com's Answer #732760 by Alan3354(69443)\"\" \"About 
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given that sin a =-4/5 and tan a >0, find all the trigonometric ratios of a
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\n" ); document.write( "sin < 0 & tan > 0 --> Q3
\n" ); document.write( "sin = y/r = -4/5 (given)
\n" ); document.write( "x = sqrt(r^2 - y^2) = -3
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\n" ); document.write( "cos = y/r = -3/5
\n" ); document.write( "tan = y/x = -4/-3 = 4/3
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\n" ); document.write( "cot = 1/tan
\n" ); document.write( "sec = 1/cos
\n" ); document.write( "csc = 1/sin
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