60 * pi / 180
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Yes, the sine decreases, and so does the tangent.
360/60=6, so there are 6-60s in 360. 60 degrees is 1/6 of 360.
Providing that the pole is on level ground you have the outline of a right angled triangle with an adjacent side of 92 ft (the shadow of the pole) and a opposite side of 60 ft (the height of the pole). To find the angle of elevation use the tangent ratio. Tangent = Opposite/Adjacent Tangent = 60/92 = 0.652173913 Tan-1(0.652173913) = 33.11134196 degrees Therefore the angle of elevation is 33o correct to two significant figures.
If the angle of elevation is 60 degrees then by using the tangent ratio the length of the shadow is 8.66 feet rounded to two decimal places.
60 degrees = 1.04719755 radians