When you set 
, you end up with the differentials 
. Multiplying both sides by 2 gives 
.
Then the integral is
Then the integral is
When considering sampling procedures, a _____ is a sample in which every element in the population has a known statistical likel
1 answer:
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Answer: OPTION C.
Step-by-step explanation:
Observe the triangle ABC attached.
Notice that the angle of depression is represented with .
Knowing that the top of a lighthouse is 260 feet above water and the ship is 270 feet offshore, you can find the value of by using arctangent:
In this case you can identify that:
Therefore, substuting values into , you get that the angle of depression is:
