Write the expression as the cosine of an angle, knowing that the expression is the right side of the formula for  with particular values for ? and ?.cos  cos  + sin  sin 

A. cos 
B. cos 
C. cos 
D. cos 


Answer: B

Mathematics

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Solve the equation for y in terms of x.ln y + ln x = 2.0794

A. y = 2.0794 - x
B. y = 
C. y = 8 - x
D. y = 

Mathematics

Give all possible rational zeros for the following polynomial.P(x) = 2x3 - 5x2 + 7x - 17

A. ±1, ± , ±2, ± 
B. ±1, ±2, ±17
C. ±1, ±17, ± , ± 
D. ±1, ±2, ±17, ± 

Mathematics

Rationalize the denominator and simplify.

A.  
B.  
C.  
D.

Mathematics

Find , the union of sets A and B.

?


?

A.
B.
C.
D. is a set of natural numbers.
E.

Mathematics