SOLUTION: Find Sin (theta) if cos (theta) = -4/7 And tan (theta) < 0.

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Question 1078327: Find Sin (theta) if cos (theta) = -4/7 And tan (theta) < 0.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find Sin (theta) if cos (theta) = -4/7 And tan (theta) < 0.
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cos & tan < 0 --> Q2
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sin = sqrt(1 - cos^2) = sqrt(1 - 16/49) = 33/49
sin = sqrt(33)/7 positive in Q2