Solve the trigonometric equation symbolically, graphically, or numerically for 
sec2 ? - 2 = 0
A. ? = 135°, 315°
B. ? = 30°, 150°, 210°, 330°
C. ? = 45°, 135°, 225°, 315°
D. ? = 30°, 330°
Answer: C
You might also like to view...
Convert to decimal notation.9.0597 × 10-7
A. 0.000000090597 B. 0.0000090597 C. 0.00000090597 D. -905,970,000
Solve the problem.A chef makes 9 kinds of fruit salad. Raisins, coconut, almonds, or marshmallows can be added to each kind of salad. How many different fruit salads are possible?
A. 144 salads B. 128 salads C. 72 salads D. 160 salads
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3ln x; relative to f(x) = ln x
A. Stretched vertically
B. Stretched horizontally
C. Shrunk vertically
D. Moved up 3 units
Solve the system using the inverse of the coefficient matrix of the equivalent matrix equation.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. (2, 1, 6) B. (2, -1, 4) C. (-1, 2, 1) D. No solution