25-11-2016
Mathematics

contestada

i need help with this problem.

i need help with this problem class=

Respuesta :

ravenschyld ravenschyld

25-11-2016

csc^2x-cot^2x=1

Here is why

csc^2x=1+cot^2x

so:
1+cot^2x-cot^2x=1
1=1

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