Solve the problem.Find cos (?), given that sin (?) = 
and cos (?) < 0.
A. 
B. - 
C. - 
D. 
Answer: C
Mathematics
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Find the extreme values of the function and where they occur.y = x3 - 3x2 + 1
A. Local maximum at (0, 1), local minimum at (2, -3). B. Local maximum at (0, 1). C. None D. Local minimum at (2, -3).
Mathematics
Change to the measure indicated.52.2 hectograms to kilograms
A. 5.22 kg B. 5,220 kg C. 52.2 kg D. 0.522 kg
Mathematics
In the circuit below, VR = 21 V and VC = -13 V. Find E and é.
Mathematics
Solve the problem.A ladder is resting against a wall. The top of the ladder touches the wall at a height of 15 feet. Find the length of the ladder if the length is 5 feet more than its distance from the wall.
A. 25 ft B. 15 ft C. 30 ft D. 20 ft
Mathematics