Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.sin 77°
A. csc 13°
B. cos 77°
C. cos 13°
D. sin 167°
Answer: C
Mathematics
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Use symmetry to evaluate the integral.
A. 0
B. 
C. 
D. 
Mathematics
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
The science department is planning to buy some new equipment. They want to make sure that there is one of the new machines for every 5 students majoring in science. If each machine costs $450, how much should they budget for the new equipment?
A. $15,750 B. $11,250 C. $13,500 D. $18,000
Mathematics
Fill in the blank with the correct inequality symbol.If 
x < - 
, then x _____ -1.
A. ? B. > C. < D. ?
Mathematics
Prove:
Mathematics