Use a half-angle formula to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Make the required change in the given equation.? = 3 cos ? sin ? to Cartesian coordinates
A. x2 + y2 + z2 - 3x = 0
B. 
= 3x
C. x2 + y2 + z2 - 3z = 0
D. 
= 3y
Mathematics
Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.2.8x + 16.6y + 4.8z = 1.94.7x - 7.0y - 0.6z = -3.74.5x + 9.4y - 0.9z = 10.5
A. (0.3, 1.8, -5.5) B. (0.1, 0.4, -1.1) C. (0.1, 0.8, -2.5) D. (0.0, 0.2, -0.5)
Mathematics
Solve the problem.Find the maximum value of P = 8x + 12y subject to the following constraints.
A. Maximum of 96 B. Maximum of 100 C. Maximum of 120 D. Maximum of 92
Mathematics
Find the integral. Select the correct answer.
Mathematics