Answer:
-1/2
Step-by-step explanation:
cos(x+pi) = -cos(x), so the answer is -1/2.
Answer:
300
Step-by-step explanation:
3:120 =1:60 ==300:12000
Answer:
The first. Ariel want to find the difference of a number and 13.
Answer:
This is called a supplementary angle. x = 12°
And for extra credit:
y is a vertical angle to 60° and a supplementary angle to x so
y = 60°
Step-by-step explanation:
300. 100 cm in a meter, times three meters is 300.