Answer:
True
Step-by-step explanation:
(-1+1)^2 + (3-6)^2 = 45
6^2 + 3^2
36 + 9
45
yes, it is on there.
Answer:
frdg
Step-by-step explanation:
Answer:
1820
Step-by-step explanation:
The sum of the first n terms of a geometric series with common ratio r and first term a is:
a(1-r^n)/(1-r). Plugging this in 5(1-3^6)/(1-3)=1820
Answer:
true
Step-by-step explanation:
1/2 (sin(x+y)+sin(x-y))
= 1/2 (sin x cos Y + cos x sin y + sin x cos y - cos x sin y)
= 1/2 * 2 sin x cos y
= sin x cos y
The expression is true.