Simplify sin^2(x)/(1 - sin^2(x))

Discussion in 'Calculator Requests' started by math_celebrity, Jan 6, 2024.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    We know from the pythagorean theorem:

    sin^2(x) + cos^2(x) = 1

    Subtract sin^2(x) from each side and we get:
    cos^2(x) = 1 - sin^2(x)

    We can rewrite our original expression as:

    But this expression equals tan^2(x)


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