# Pre-Calc

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Write an algebraic expression that is equivalent to the expression (Sketch right triangle)
sec[arcsin(x-1)]

• Pre-Calc -

An angle whose sine is x-1 has a cosine of sqrt[1 -(x-1)^2]' = sqrt(-x^2+2x)

Its secant is 1/sqrt[x(2-x)]

x is limited to numbers between 0 and 2.

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