The answer is 18. the equation is (15 x 2) - 12. hope I helped :)
Answer:
- -1
- 0
Step-by-step explanation:
1. cos(π) = -1
2. sin(π) = 0
_____
It is useful to memorize the table below.
Thanks for the question!
9 + 9, 5 + 13, 7 + 11, 3 + 15
Hope this helps!