<PRE><B>Question 851501</B>

I will use t for theta. No foil needed.

sqrt{(3csct)^2-9}

sqrt{9*csc^2 t - 9}

In the radical, factor out 9.

sqrt{9(csc^2 t - 1)}

Separate into two integrals.

sqrt(9)*sqrt(csc^2 t - 1)

3*sqrt{(csct-1)(csct+1)

Did you follow?




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