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janessia
 2 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)?
janessia
 2 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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mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1hello are you there? do u think you can draw this first before you can solve?

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1do you know the angle of depression?

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1the height y=20 , the x= distance angle theta = angle of depression

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

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1sorry my pc got frozen,,, yes try that tangent

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1let me know what you getting

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1\[\tan \theta =\frac{ 20 }{ x } ,......\] then what is x=?

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1memorized sin A= opposite/ hypotenuse cos A= adjacent/hypotenuse tan A= opposite/adjacent

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

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

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1\[\tan \theta =\frac{ 20 }{ x }\] 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=?

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1did you get it? angle of depression \[\theta =30\]

mark_o.
 2 years ago
Best ResponseYou've already chosen the best response.1so x= 20/ tan 30 what did you get?
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