Establish the identity.cot3x = cot x (csc2 x - 1)
What will be an ideal response?
cot3 x = cot x cot2 x = cot x (csc2 x - 1).
Mathematics
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Find x if the distance between the given points is d. Assume that x is positive.(x, 16), (-2, 15), d = 
A. 2 B. 6 C. 5 D. 3
Mathematics
Solve.One pound of body weight is lost whenever 3500 calories are burned off. While walking uphill, Cathy burns 320 calories for each mile walked. At this rate, how far must she walk to lose 1 pound? Give your answer to the nearest tenth of a mile.
A. 0.9 mi B. 11.2 mi C. 10.9 mi D. 0.1 mi
Mathematics
Complete the graph by shading the correct region.y ? x - 6
A. 
B. 
C. 
D. 
Mathematics
Add or subtract. Express the answer as a mixed number.
A. 10
B. 10
C. 11
D. 9
Mathematics