A vertical flag pole is held up by a wire. The angle between the ground and the wire is twice the angle between the pole and the wire. Find the angle between the pole and the wire.
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We know that tan 45º = 1
In the right triangle enter image source here We need to find h and b is 4 m.
The oposite angle to h is 45º. Thus
tan 45 = h/4= 1 by definition of tan theta = h/b
Trasposing we find h=4 m
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