Solve the equation for solutions in the interval [0°, 360°).
sec 2? = 2
A. ? = 0°, 120°, 180°, 240°
B. ? = 15°, 165°, 195°, 345°
C. ? = 105°, 165°, 285°, 345°
D. ? = 30°, 90°, 150°, 270°
Answer: B
Mathematics
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Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.sin2 x + sin x = 0
A. 
B. 
C. 
D. 
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Simplify the expression.-6(2x - 6) - 4x + 7
A. -16x + 43 B. -16x - 29 C. 16x + 43 D. 8x + 43
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Solve the given inequality (a related function is graphed).
? 0 
A. (-2, ?) B. (-2, 0) ? (2, ?) C. (-?, -2) ? [0, 2) D. (-2, 0] ? (2, ?)
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Using complements (with respect to 1) of the single discounts, find the net cost equivalent for the discount 25/10.
A. 0.316 B. 0.65 C. 0.675 D. 0.35
Mathematics