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I need help with this practice problem It’s from my trig book

I need help with this practice problem It’s from my trig book-example-1
User Atul Dwivedi
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1 Answer

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It is estimated that the height of the tree is 80 ft. It is also given that the initial angle of elevation is 68º.

Let his distance from the foot of the tree be y.

The illustration is shown below:

User Seto
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