Answer to Question #32587 in Trigonometry for Mayank
tower knows that the cosine of the angle of elevation of the top of the tower is 0.53
.How far is he standing from the froot of the tower ?
angle=cos^-1(0.53)=approximately 58 degrees.
So we obtain distance=height*cotan(angle)=20*cotan(58)=12.5m
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