Asked by Lucina
The rotating spotlight from the Coast Guard ship can illuminate up to a distance of 250 m. An observer on the shore is 500 m from the ship. HIs line of sight to the ship makes an angle of 20 degrees with the shoreline. What length of shoreline is illuminated by the spotlight?
(This is how far I have gotten)
sinA = sinB
----- -----
a b
sinA sin20
---- = -----
500 250
sinA = 500(sin20)
---------
250
sinA = 43 degrees
(This is how far I have gotten)
sinA = sinB
----- -----
a b
sinA sin20
---- = -----
500 250
sinA = 500(sin20)
---------
250
sinA = 43 degrees
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