Write the following in terms of sin ? and cos ? and then simplify if possible.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Reduce the fraction, if possible.
A. 
B. 
C. 
D. 
Mathematics
Use a calculator to give the value to the nearest degree.? = sin-1(0.2079)
A. 10° B. 15° C. 12° D. 14°
Mathematics
Write a system of equations associated with the augmented matrix. Do not try to solve.
A. -7x + 2y = 6 3x + 5y = -9 B. 2x - 7y = 6 5x + 3y = -9 C. 2x - 7y = -6 3x + 5y = 9 D. 2x - 7y = 6 3x + 5y = -9
Mathematics
Graph the equation using a graphing utility. Use a graphing utility to approximate the intercepts rounded to two decimal places, if necessary. Use the TABLE feature to help establish the viewing window.3x - 4y = 56
A. (0, -14), (18.67, 0) B. (0, 14), (18.67, 0) C. (0, -14), (-18.67, 0), (18.67, 0) D. (0, -14), (18.66, 0)
Mathematics