First, we are going to use the Pythagorean identity:

to rewrite our expression. Solving for

in our Pythagorean identity we get that

, so we can rewrite our expression as follows:

Next, we are going to use the trig identity:

to completely simplify our expression:

We can conclude that
Answer:
b
Step-by-step explanation:
Answer:
Step-by-step explanation:
2000264(X) b x a =177777082
Answer:
The center is (20, 0.05) radius = 9
Step-by-step explanation:
The center is (20, 0.05) radius = 9
from the general form of the equation:
(x - h)^2 + (y - k)^2 = r^2
we see that r^2 = 81
so r = 9