Answer:
Step-by-step explanation: One of the fundamental identities is #1+cot^2(x) = csc^2(x)#.
Starting with your given:
#cot^2(x)-csc^2(x)#
Replace #csc^2(x)# with #1+cot^2(x)#:
#cot^2(x)-(1+cot^2(x))#
#=cot^2(x)-1-cot^2(x))#
#=-1#
Hi umm what figure I have no idea what you are talking about
10
Step-by-step explanation:
10/4 = 2.5(fraction)
12/4 = 3
8/4 = 2
24/4 = 6
Answer:9
Step-by-step explanation:81 divided by 9=9