SOLUTION: Given cot A=9/4 and that angle A is in Quadrant III, find the exact value of the sun A in simplest radical form using a rational denominator

Question 1178585: Given cot A=9/4 and that angle A is in Quadrant III, find the exact value of the sun A in simplest radical form using a rational denominator
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Given cot A=9/4 and that angle A is in Quadrant III, find the exact value of the sun A in simplest radical form using a rational denominator
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I'll assume you meant sin(A):
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tan = 1/cot = 4/9
tan = y/x
r = sqrt(x^2 + y^2) = sqrt(97)
sin(A) = y/r = -4/sqrt(97) =
Sine is negative in Q3

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