Find the exact value of the expression. Do not use a calculator.sec 30° - sin 45°
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the Maclaurin series for the given function.cos 4x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The electromotive force for an electric circuit with a simplified generator is 
at t sec, where
Find the force at 0.6 seconds.
A. 110 volts B. 77 volts C. 24 volts D. 210 volts
Mathematics
Solve the problem.A small farm field is a square measuring 290 ft. on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 1160 ft., 2320 ft. B. 580 ft., 2320 ft. C. 580 ft., 1160 ft. D. 290 ft., 1160 ft.
Mathematics
Use a trigonometric substitution to evaluate the integral.
A. tan-1 
+ C
B. sin-1 
+ C
C. sinh-1 
+ C
D. cosh-1 
+ C
Mathematics