the height of a Lighthouse is 85 M and observer on it found the angle of depression to a boat to be 30 degree which was sailing towards the Lighthouse after 2 minutes the angle of depression for the same boat was 60 degree what was the speed of the boat in kilometre and hour and root 3 is equals to 1 point 7
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this answer is in trigonometry practice set 6.2
kaif9954:
I don't have the book
I don't have the book
I don't have the book
Please can you send me a pic of the answer
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