SOLUTION: find exact value of sin(tan^-1(-4/3))

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Question 887500: find exact value of sin(tan^-1(-4/3))
Answer by lwsshak3(11628) About Me  (Show Source):
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find exact value of sin(tan^-1(-4/3))
let x=angle whose tan=-4/3
tan x=-4/3
you are working with a (3-4-5) reference right triangle in quadrants II or IV in which tan<1
In quadrant II, sin x=4/5
In quadrant IV, sin x=-4/5