alee5 alee5
  • 25-11-2016
  • Mathematics
contestada

i need help with this problem.

i need help with this problem class=

Respuesta :

ravenschyld
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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