SOLUTION: Find the exact value of tan(t) given that sin(t) = &#8722;0.7 and cos(t) < 0.

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Question 955993: Find the exact value of tan(t) given that sin(t) = −0.7 and cos(t) < 0.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the exact value of tan(t) given that sin(t) = −0.7 and cos(t) < 0.
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sin and cos are negative in QIII.
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If sin = -7/10, y = -7 and r = 10
The x = -sqrt(10^2-7^2) = -sqrt(51)
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Ans: tan(t) = y/x = -7/-sqrt(51) = 7/sqrt(51)
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Cheers,
Stan H.
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