Approximate the value of the expression to 2 decimal places.tan-1(1.8) in radians
A. 29.05
B. 1.06
C. 60.95
D. 0.51
Answer: B
Mathematics
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Find all values of ? in [0°, 360°) that satisfy the equation.
sec 2? = 2
A. {0°, 120°, 180°, 240°} B. {105°, 165°, 285°, 345°} C. {15°, 165°, 195°, 345°} D. {30°, 90°, 150°, 270°}
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = 7x4 + 13x3 - 2x2 + x + 2; x + 2
A. Yes B. No
Mathematics
Solve the equation.4(3x - 3) + 26 = 10x + 4
A. {-10} B. {-20} C. {5} D. {-5}
Mathematics
Use the order-of-operations agreement to simplify.x2
÷ x
A. 
B. x4 - 10
C. x - 10
D. x2 - 10
Mathematics