Answer:
0.109375
Step-by-step explanation:
7/8 divided by 8 will be 0.109375
We know that
sin²x+cos²x=1
so
clear cos x
cos x=(+/-)√[1-sin²x]
in this problem
<span>Angle 0 is in quadrant 1 -----> cos o and sin o are positive
</span>sin o=2/5
cos x=√[1-(2/5)²]----> cos o=√[1-4/25]----> cos o=√[21/25]---> cos o=√21/5
the answer is
cos o=√21/5
F^-1(x)= (x-4)/-8 because it's just finding the inverse function
22.31 because A= BH where B is base length and H is Height. Multiply 5.25 by 4.25 and you get 22.31