Question 862413
Find the values of all the trigonometric functions from the given information. 
cos t = −3/5, π/2 ≤ t ≤ π 
Since cos = x/r, x = -3 ; r = 5
Then y = sqrt[5^2-3^2] = 4
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sin t= y/r
tan t= y/x
cot t= x/y
sec t= r/x
csc t= r/y
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Cheers,
Stan H.
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