2x^3 + 2x^2 + 5x + 1/ x^2
Answer:
-27
Step-by-step explanation:
Answer:
The answer is B. 9
Use cosine rule. In this case, I am using SOH and the right triangle:
sin 60°= a ÷ 6 root 3
(6 root 3)(sin 60°)= a
a=9
Step-by-step explanation:
Answer:
B
Step-by-step explanation: