<PRE><B>Question 1132465</B>
An angle in standard position  has a terminal arm in quadrant 4 and
Tan( theta) =-1/3
Determine the exact values for sin( theta) and cos( theta)
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In Q4, x = 3, y = -1
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r = sqrt(x^2 + y^2) = sqrt(10)
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sine = y/r
cos = x/r

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