Answer: 
Step-by-step explanation:
1. Based on the information given in the problem, you can draw the right triangle shown in the figure attached.
2. Keeping the informationn given in the problem, you can calculate the angle that the sum makes with the ground (
)as you can see below:

Where:

3. Then:


The answer is D
Because I worked it out
Answer:
A and E
Step-by-step explanation:
substitute and odd number into every equation :)