Answer:
2/3
Step-by-step explanation:
Answer:
See explanation
Step-by-step explanation:
The given trigonometric equation is
.
We take the inverse cosine of both sides to get:

to the nearest degree
None of the options satisfies the given equation.
But if the question is actually;

Then;
.
.
.
.
Or
.
In this case the answer will be B
Answer:
Hey there!
The trick to finding the value that completes the square, is dividing the middle number, the 10, by 2, and squaring that. Thus, we have 10/2=5, and 5^2=25.
c=25
Hope this helps :)
Answer:
63/500
Step-by-step explanation:
3 67/100
3 will stay a whole number so you put that as the whole number. 67 is 67 percent of a whole. so you put it over 100.