Question

Can you check and see if I got the right answer?

Answer 1

A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed the angle of depression to the boat is 16°23'. When the boat stops, the angle of depression is 49°29' . The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round your answer to the hundredths place.

Answer 2

yeah, sure :)

Answer 3

I got 509.48.

Answer 4

Thanks! :D

Answer 5

yep... that looks right to me :D

Answer 6

Awesome! I have another question. I have to find the exact value of arccos(sin(pi/6)). How would I do that?