Use a half-angle formula to find the exact value of the expression.cos 
A. - 
B. - 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Suppose that h is continuous and that 
= 2 and 
Find 
and
A. 10; -10 B. -6; 6 C. 6; -6 D. -10; 10
Mathematics
Solve the problem.Rewrite the following in the form of a single exponential: 142 ? 143
A. 70 B. 145 C. 6 D. 146
Mathematics
Write the equation in the form y = f(x) by solving for y.24x2 - 3y = 15
A. y = 8x2 - 5 B. y = 8x2 + 5 C. y = -8x2 + 5 D. y = -8x2 - 5
Mathematics
Solve the equation for real values of the variable by factoring. Give the sum of all solutions of the equation.
?
?
?
A. 3 B. 5 C. 2 D. 7 E. 4
Mathematics