Solve the equation.
- 
= 1
A. 1
B. 
C. 
D. - 
Answer: A
Mathematics
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Show that the equation is not an identity by finding a value of x for which both sides are defined but not equal.cos 5x + cos 12x = 2 cos 7x cos x
A. 2?
B. -2?
C. 
D. 0
Mathematics
Find the exact value of the trigonometric expression without the use of a calculator.sin
A. - 
B. 
C. 
D. 
Mathematics
Graph the inequality.x + 2y ? 1
A. 
B. 
C. 
D. 
Mathematics
Use a formula to solve the problem.A baking pan measures 12 inches long, 5 inches wide, and 2 inches deep. What is the volume of the pan?
A. 120 in.3 B. 19 in.3 C. 60 in.3 D. 34 in.3
Mathematics