Establish the identity.cot ? ? sec ? = csc ?
What will be an ideal response?
cot ? ? sec ? = 
? 
= 
= csc ?
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Solve the problem.On a flywheel with a 67.7-mm radius, how long is an arc subtended by a central angle of 242°?
A. 286 mm B. 9679 mm C. 102,940 mm D. 572 mm
The function graphed is of the form y = a sin bx or y = a cos bx, where b > 0. Determine the equation of the graph.
A. y = 5 cos 
B. y = 5 cos (3x)
C. y = 5 sin (3x)
D. y = 5 sin 
Factor completely. If the polynomial is prime, so state.7x2 - 7x - 42
A. (7x + 14)(x - 3) B. 7(x + 2)(x - 3) C. 7(x - 2)(x + 3) D. prime
Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 23 yd long and touches the ground 19 yd from the pole. How tall is the pole? Round approximations to the nearest tenth. 
19 yd
A. 21 yd B. 13 yd C. 6.5 yd D. 84 yd