math (pre calc)

4cot^2x-4/tanx+cosxsecx
write expression in factored form as an algebraic expression of a singletrig function

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  1. Use the following identities:
    cot(x) = 1/tan(x)
    sec(x) = 1/cos(x)
    tan(x) = sin(x)/cos(x)

    I suspect that parentheses are missing from the numerator and/or denominator.

    The following problem may not be what you are working on. You can work out the problem using the above identities similar to the response below.

    4cot²(x) - 4tan(x) + cos(x) sec(x)
    =4/tan²(x) -4tan(x) + cos(x)/cos(x)
    =4/tan²(x) -4tan(x) + 1

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