4cos2 t = 3
Find all values of t that satisfy the equation.
Mathematics
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Multiply. Write the answer in simplest form.4 × 2
A. 11
B. 8
C. 6
D. 11
Mathematics
Solve the equation on the interval [0, 2?).Suppose f(x) = 2 cos ? + 1. Solve f(x) = 0.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Without solving the following system of equations, tell what the solution is. Explain your answer. 2x + 6y + 5z = -1-4x - 12y - 10z = 2 3x + 6y - 5z = -1
What will be an ideal response?
Mathematics
Find the equation of the axis of symmetry of the parabola.y = 2x2 - 12x + 19
A. x = -1 B. x = -3 C. x = 1 D. x = 3
Mathematics