



Use the identity:
and solve for
. You get: 
Do the substitution on the left side to get:

Four thousand one hundred eighty
Answer:
<h2>2.2</h2>
Step-by-step explanation:
Use the cosine law (look at the picture).
We have:


→ look at the second picture

Answer:
there would be many diffrent answers
Step-by-step explanation:
provide the full question, i can deduct that there are many ice cream flavors.