Establish the identity.tan 2 u (1 + cos(2u)) = 1 - cos(2u)
What will be an ideal response?
tan 2 u (1 + cos(2u)) = 
(1 + cos(2u)) = 1 - cos(2u)
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Solve the problem.Mel plans to fence his yard for his new puppy. The yard is a 50 ft by 76 ft rectangle. Fencing costs $18 per 10 ft section. What is the cost of the fence not including unused fencing?
A. $180.00 B. $453.60 C. $226.80 D. $907.20
Find the absolute value.-
A. 0 B. -14.4 C. 14.4 D. 28.8
Solve the problem.In a 1-mile race, the winner crosses the finish line 12 feet ahead of the second-place runner and 28 feet ahead of the third-place runner. Assuming that each runner maintains a constant speed throughout the race, by how many feet does the second-place runner beat the third-place runner? (5280 feet in 1 mile.)
A. 16.04 ft B. 4.01 ft C. -12.06 ft D. -16.09 ft
Simplify the radical.2
A. 40
B. 8
C. 20
D. 4