2.4 would be your answer.
Step-by-step explanation:
Don't you need a key for what K equals to solve this?
The answer is 4/15, because we have to get the denominaters to be the same, so the LCM of 5 and 15 is 15, so 15/5 is 3 and 4*3 is 12. Now, its 12/15-8/15 which is 4/15. Hope this helps!
Answer:
Step-by-step explanation:
cos(-150)
rate my answer please