Homework Help: TRIG

Posted by PAM on Saturday, April 28, 2012 at 9:05pm.

5. A wheel 5.00 ft in diameter rolls up a 15.0° incline. How far above the base of the incline is the top of
the wheel after the wheel has completed one revolution?
A. 4.07 ft
B. 13.1 ft
C. 8.13 ft
D. 9.07 ft

TRIG - Reiny, Saturday, April 28, 2012 at 10:12pm
one rotation is 5π ft
so the hypotenuse has length 5π
and
sin 15 = height/(5π)
height = 5π sin 15° = ......

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