Use identities to find the indicated value for each angle measure.sin ? = 
, cos ? > 0
Find cos(2?).
A. 
B. 
C. 
D. - 
Answer: A
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Solve.The pitch of a screw is the distance between threads. With each complete rotation of the screw, it goes in or out a distance equal to its pitch. How far will a screw with a pitch of 
in. go into a piece of wood when it is turned 10 complete rotations clockwise?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Give the domain and range for the rational function. Use interval notation.f(x) = 
A. Domain: (-?, 1) ? (1, ?); Range: (-?, 0) ? (0, ?) B. Domain: (-?, 0) ? (0, ?); Range: (-?, 0) ? (0, ?) C. Domain: (-?, 1) ? (1, ?); Range: (0, ?) D. Domain: (-?, 0) ? (0, ?); Range: (0, ?)
Solve the problem. Round your answer to the nearest whole number.A line from the top of a cliff to the ground passes just over the top of a pole 8.0 feet high and meets the ground at a point 7.0 feet from the base of the pole. If the point is 64 feet from the base of the cliff, how high is the cliff?
A. 512 feet B. 73 feet C. 3584 feet D. 7 feet
Find the slope and y-intercept of the line.8x - 5y = 9
A. slope = 8; y-intercept = 9
B. slope = 
; y-intercept = 
C. slope = 
; y-intercept = - 
D. slope = 
; y-intercept = 