Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cos (sin-1 u)
A. 
B. 
C. 
D. 
Answer: C
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Evaluate the function by using three terms of the appropriate Taylor series.ln 0.79
A. -0.2351 B. -0.4431 C. -0.2881 D. 0.7649
Add or subtract. Write the answer in lowest terms.
+ 
A. 3y
B. 
C. 0
D. 
Solve the problem.An audio speaker that weighs 50 pounds hangs from the ceiling of a restaurant from two cables as shown in the figure. To two decimal places, what is the tension in the two cables? 
A. Tension in right cable: 35.90 lb; tension in left cable: 41.59 lb B. Tension in right cable: 41.59 lb; tension in left cable: 35.90 lb C. Tension in right cable: 14.10 lb; tension in left cable: 41.59 lb D. Tension in right cable: 35.90 lb; tension in left cable: 14.10 lb
Solve.x5 - 25x3 ? 0
A. (-?, -5] ? [5, ?) B. [-5, ?) C. [-5, 0] ? [5, ?) D. (-?, -5] ? [0, 5)