Write the trigonometric function in terms of x.cos ?, if tan ? = x and ? is in Quadrant II
A. cos ? = - 
B. cos ? = - 
C. cos ? = - 
D. cos ? = 
Answer: C
Mathematics
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Use the quotient rule to simplify.
A. 
B. 7
C. 
D. 7
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Write the expression in the standard form a + bi.
A. -1 - i B. -1 + i C. -1 + 2i D. 1 + i
Mathematics
Write the decimal in word form.917.081
A. nine hundred and seventeen and eighty-one thousandths B. nine hundred seventeen and eighty-one ten-thousandths C. nine hundred and seventeen and eighty-one hundredths D. nine hundred seventeen and eighty-one thousandths
Mathematics
Solve the equation.1296x = 6
A. - 
B. -4
C. 4
D. 
Mathematics