Answer:
cos(x)<-2
-1<csc(x)<1
cos(x)-1>.5
Step-by-step explanation:
I just answered this question and got these answers.
Step-by-step explanation:
a+b+c=78
b=10+a
c=2b
then, we back the first
a+10+a+2b=78
2a+2b=78- 10
2a+2(10+a)=68
2a+2a=48
4a=48
a=12
b=22
c=44
Answer:
B in the photo
Step-by-step explanation:
another way to write the problem:
square root is also taking the 1/2 power:

since they are raised to the same power:
