Short Answer
The current San Francisco cable railway is driven by two large 12-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time. 
a = 12 ft If the answer needs rounding round it to three significant digits. __________ feet
Correct Answer:
Verified
Correct Answer:
Verified
Q77: Find the radian measure of angle θ
Q78: Find the linear velocity of a point
Q79: Find the distance s covered by a
Q80: A light truck with manual transmission has
Q81: If angle θ is in standard position
Q83: For the following expression, find the value
Q84: Use a calculator to find tan 143.8°.
Q85: Find the exact value of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX9354/.jpg"
Q86: Find the linear velocity of a point
Q87: Convert to radian measure using exact values.