SOLUTION: Show that (cosec^4x-1)/(cot^2x)=2+cot^2x

Question 1140548: Show that (cosec^4x-1)/(cot^2x)=2+cot^2x
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

manipulating left side
=.......use identity
=.......factor numerator :
=......simplify
=
=................use the following identity :
=
=

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