Answer:
.
Reference angle is 
Step-by-step explanation:
Given the value of x. we have to find the correct value of cosx.

Now, we have to find the exact value of 



Now, we have to find the reference angle of
.
Since the angle
lies in second quadrant, the reference angle formula is
Reference angle=
.
=
Here is a table that will help you understand. And the answer.
Answer:
17
Step-by-step explanation:
Assuming the field is a rectangle, the perimeter is found through the equation:

Since we know the perimeter and width, we can substitute and solve for the length.

Using the length and width, we can find the area.

The area is 2976 squared meters. We divide by the area a bag of canola seed can cover and round up if necessary to find the total number of bags.

Because we need a whole bag in order to cover for the decimal area, we round up to 17 bags.
Answer:
6 dollars on lunch because 36 divided by 6 is 6 lol and you should multiply 1/3 to 2/6 to have an even number so it would be 12 on music and 6 on lunch so 18 total spent and 18 saved
18 total saved
Step-by-step explanation: