You can put this solution on YOUR website! Suppose that tanθ=2/y. Find an expression in y for secθ.
tan(t) = opp/adj
So opp = 2 and adj = y
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then r = sqrt(opp^2 + adj^2) = sqrt(2^2+y^2] = sqrt(4+y^2)
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sec(t) = r/adj = sqrt(4+y^2)/y
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Cheers,
Stan H.
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