SOLUTION: Find all numbers "t" such that ( t, -7/17 ) is a point on a unit circle.

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Question 274888: Find all numbers "t" such that ( t, -7/17 ) is a point on a unit circle.
Answer by Alan3354(69443) About Me  (Show Source):
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Find all numbers "t" such that ( t, -7/17 ) is a point on a unit circle.
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t^2 + (7/17)^2 = 1
t^2 = 1 - 49/289
t^2 = 240/289
t = ± 4sqrt(15)/17