The sonar of a Navy Cruiser detects a nuclear submarine that is 4000 feet away from the cruiser. The angles between the water level and the submarine is 31.5 degrees. How deep is the submarine?
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This is basic trigonometry, draw a right angled triangle with you values and then apply the sin rule
Originally Posted by craig This is basic trigonometry, draw a right angled triangle with you values and then apply the sin rule It's the set up: sin31.5 = deepness of sub/4000 feet?
Originally Posted by magentarita It's the set up: sin31.5 = deepness of sub/4000 feet? Sorry your right, for some reason I was taking the long way round
Originally Posted by craig This is basic trigonometry, draw a right angled triangle with you values and then apply the sin rule ok...
Originally Posted by craig Sorry your right, for some reason I was taking the long way round I can take it from here.
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