Solve the problem.Find cos 
, given that cos ? = - 
and ? terminates in 90° < ? < 180°.
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Simplify. Include the absolute value symbol if necessary. If the answer is not a real number, state so.
A. 6x2 B. not a real number C. 14x2 D. 36x2
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r cos ? = 4;
the polar axis
A. may or may not have symmetry with respect to polar axis B. has symmetry with respect to polar axis
Mathematics
Estimate the value of the radical by using three iterations of the Newton-Raphson method with the indicated initial guess for the function. Round your answer to six decimal places, if necessary.
?
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the factorial expression.
A. 
B. 
C. 
D. 
Mathematics