Use the Half-angle Formulas to find the exact value of the trigonometric function. sin 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find any relative maximum or minimum points of the given function.y = -x3 + 12x - 2
A. Minimum at (-1, -13), maximum at (1, 9) B. Maximum at (-2, -18), minimum at (2, 14) C. Minimum at (-2, -18), maximum at (2, 14) D. Minimum at (-2, -18), (4, -18), maximum at (2, 14)
Mathematics
Convert the rectangular equation to polar form.x = 5
A. r sin ? = 5 B. cos ? = 5 C. r = 5 D. r cos ? = 5
Mathematics
Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.y = -5x2 - 4x + 6
A. (0.4, 6.8) B. (-0.4, 5.2) C. (-0.4, 6.8) D. (2, 6.8)
Mathematics
Find the mean for the list of numbers. Round to the nearest tenth.76, 43, 76, 96, 43
A. 66.8 B. 67.3 C. 66.3 D. 83.5
Mathematics