Determine the reference angle for the given angle.? = -63.1°
A. 63.6°
B. 26.9°
C. 63.1°
D. 27.4°
Answer: C
Mathematics
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Find the value of the determinant.
A. 6 B. -10 C. 192 D. -6
Mathematics
Use a graphing calculator to graph the equation.y = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rotating beacon is located 11 ft from a wall. If the distance from the beacon to the point on the wall where the beacon is aimed is given by a = 11|sec 2?t|,where t is in seconds, find a when t = 0.41 seconds. Round your answer to the nearest hundredth.
A. -13.03 ft B. 39.43 ft C. 26.23 ft D. 13.03 ft
Mathematics
Find the exact value of the logarithmic expression.log81
A. 0
B. 
C. 1
D. 8
Mathematics