Use reference angles to find the exact value of the expression.cos 
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Perform the operation and write the result in standard form.
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?
A. 
B. 
C. 
D. 
E. 
Mathematics
Use a calculator to find the value of the function in degrees, rounded to the nearest hundredth of a degree.sin-1 0.8521
A. 58.44° B. 53.44° C. 60.44° D. 63.44°
Mathematics
Solve the problem.A pendulum bob swings through an arc 40 inches long on its first swing. Each swing thereafter, it swings only 90% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 200 in. B. 44 in. C. 89 in. D. 400 in.
Mathematics
Work the application.Mr. and Mrs. Gutierrez borrow $9880 to buy a new car. The loan is to be paid off in 38 equal monthly payments. How much is each payment?
A. $9918 B. $260 C. $26 D. $9842
Mathematics