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:
280
Step-by-step explanation:
Answer:
Decrease by 3.9%
Step-by-step explanation:
54,500(1-x) = 52355
x=0.03935... = 3.935% or 3.9%