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A man 5 ft 8 in. tall casts a shadow 10 ft long. Determine the angle of elevation of the sun above the ground.

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5 ft 8 in = 68 in 10 ft = 120 in Angle of elevation = tan(68/120) = 0.6363 radian = (0.6363)*180/pi = 36.5 degrees

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tan(x) = 5 ft 8 in/10 ft long.= 68/120 = 17/30 x = arctan(17/30) ~ 29.54 degrees

            
        

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