Answer:
I believe it is A
Step-by-step explanation:
Answer:
x=12
Step-by-step explanation:
7+5=12
brainliest?
Answer:

Step-by-step explanation:
Given that,

We need to find the value of cos x.
We know that,

Using the above relation,

So, the value of cos x is equal to
.
Answer:
B
Step-by-step explanation: