Answer:
3053.63 Hope this helps!
Step-by-step explanation:
V=4
3πr3=4
3·π·93≈3053.62806
3÷2= 1.5
To make sure if it's correct,
1.5
x2
__
3.0
Answer:
Below
Step-by-step explanation:
sin(2x) = 2 ×cos(x)× sin(x)
● sin(x) = 2 × cos(x) × sin(x)
● 2 × cos(x) = 1
● cos (x) = 1/2
So we can deduce that:
● x = Pi/3 + 2*k*Pi
● or x = -Pi/3 + 2*k*Pi
K is an integer