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(Solved): 22 Multiple Choice. 1 point During the process of solving the equation -5csc^(2)x+12cot^(2)x=9 for x ...
22 Multiple Choice. 1 point
During the process of solving the equation -5csc^(2)x+12cot^(2)x=9 for x, one of the resulting equations could be:
sec2x(1-tan^(2)x)=6
-5tan^(2)x+12sec^(2)x-9=0
12cot^(2)x-9-5sec^(2)x=0
cot^(2)x=2