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anonymous
 4 years ago
Isaac is looking through binoculars on a whale watching trip when he notices a sea otter in the distance. If he is 20 feet above sea level in the boat, and the angle of depression is 30 degrees, how far away from the boat is the otter (to the nearest foot)?
anonymous
 4 years ago
Isaac is looking through binoculars on a whale watching trip when he notices a sea otter in the distance. If he is 20 feet above sea level in the boat, and the angle of depression is 30 degrees, how far away from the boat is the otter (to the nearest foot)?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hello are you there? do u think you can draw this first before you can solve?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0do you know the angle of depression?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1351530728427:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0the height y=20 , the x= distance angle theta = angle of depression

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so how do i solve this?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1351530990457:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sorry my pc got frozen,,, yes try that tangent

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0let me know what you getting

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\tan \theta =\frac{ 20 }{ x } ,......\] then what is x=?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0memorized sin A= opposite/ hypotenuse cos A= adjacent/hypotenuse tan A= opposite/adjacent

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ohk but hmmmm??? im so confused

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0just forget it its fine

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\tan \theta =\frac{ 20 }{ x }\] so here we want x, therefore multiply both sides by x, to get \[xtan \theta =\frac{ 20 }{ x }.x\] \[x \tan \theta =20\] divide both sides by tan o gives \[\frac{ x \tan \theta }{ \tan \theta }=\frac{ 20 }{ \tan \theta } \] w/c gives \[x=\frac{ 20 }{ \tan \theta }....\] x=?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0did you get it? angle of depression \[\theta =30\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so x= 20/ tan 30 what did you get?
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