Express the sum or difference as a product of sines and/or cosines.sin 
+ sin 
A. 2 sin(11?)
B. 2 cos(11?) sin ?
C. 2 sin 
sin ?
D. 2 sin 
cos ?
Answer: D
Mathematics
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Evaluate the integral which is given in cylindrical or spherical coordinates.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Choose the most reasonable measurement for the situation described.What is the most reasonable measurement for the length of a cheerleader's baton?
A. 1.5 m B. 1.5 km C. 1.5 cm D. 1.5 mm
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-60°)
A. 
B. 
C. - 
D. - 
Mathematics
Solve the problem.Keerti found that he had y nickels in his pocket. Write an expression that represents this quantity of money in cents.
A. 5y
B. 
C. y + 5
D. 
Mathematics