Write the expression in terms of sines and/or cosines, and then simplify.
(sin x - 1)
A. 
B. 
C. -sin2 x
D. -cos2 x
Answer: D
Mathematics
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Provide an appropriate response. A group of printers were advertised in the Sunday supplement. The prices listed were $129, $275, $475, $139, $159, $210, $425, and $159. What was the mean of price the printers?
A. $184.50 B. $159 C. $246.38 D. $425
Mathematics
Write the expression as a complex number in the form a + bi.
A. 7 - 
B. 7 - 
i
C. 7 - 
i
D. 7 - 7
i
Mathematics
Subtract.- 
A. 1,590.49167 B. 1,590.49177 C. 1,590.49168 D. 1,590.49267
Mathematics
Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.sin (18?)
A. 1 B. -1 C. 0 D. undefined
Mathematics