Question 854782
Let (7,-3) be a point on the terminal side of theta. Find cos of theta, sec of theta, and cot of theta?
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x = 7 ; y = -3, 
So, r = sqrt(49+9) = sqrt(58)
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cos(t) = x/r = 7/sqrt(58)
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sec(t) = r/x = sqrt(58)/7
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cot(t) = x/y = -7/3
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Cheers,
Stan H.
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