Establish the identity.csc2u - cos u sec u= cot2 u
What will be an ideal response?
csc2u - cos u sec u = csc2u - cos u ? 
= csc2u - 1 = cot2u
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Provide an appropriate response.There are 13 people on a committee, and 5 of them are women. What is the ratio of the number of women to the number of men on the committee?
A. 
B. 
C. 
D. 
Simplify the expression. Assume that all variables are positive when they appear.
A. 147x
B. 7
C. 7x
D. 3x2
Solve the problem.The diagram shows the roads connecting four cities.WX
YZHow many ways are there to travel between cities W and Y by passing through exactly two cities? (Hint: Write a matrix, A, to represent the number of routes between each pair of cities without passing through another city. Then calculate A2 and A3).
A. 16 B. 14 C. 15 D. 13
Find the exact value of 
.
What will be an ideal response?