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.4 sin2 x - 1 = 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the table below to write the traditional Chinese numeral as a Hindu-Arabic numeral.
A. 4137 B. 417 C. 413 D. 437
Mathematics
Refer to this figure to answer the question.
Is point G on 
?
A. Yes B. No
Mathematics
Solve the system by substitution.
A. 
B. 
C. (3, 8)
D. (0, 0)
Mathematics
Identify the graph of the equation as a parabola, circle, ellipse, or hyperbola.x2 + y2 = 36
A. Ellipse B. Circle C. Parabola D. Hyperbola
Mathematics