question about trig

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question about trig

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JieSun92

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question about trig

« on: August 14, 2012, 08:00:56 pm »

0

From a point, A, due north of a tower, the angle of elevation to the top of the tower is 45 degrees.From a point, B, 100 m on a bearing of 120 degrees from A, the angle of elevation is 26 degrees. Find the height of the tower.
does anyone know how to do this?

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fred42

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Re: question about trig

« Reply #1 on: August 15, 2012, 09:49:35 pm »

+1

See attached.

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JieSun92

Victorian
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Posts: 41
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School Grad Year: 2013

Re: question about trig

« Reply #2 on: August 15, 2012, 11:39:29 pm »

0

tried doing it this way but kept getting a different answer
anyways thanks fredd

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question about trig