Find the exact value of the expression.cos 105°

A.
B.
C.
D.


Answer: D

Mathematics

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Find the absolute maxima and minima of the function on the given domain.  on the square  

A. Absolute maximum: 108 at    and    absolute minimum: 36 at    and   
B. Absolute maximum: 36 at    and    absolute minimum: 27 at        and  
C. Absolute maximum: 108 at    and    absolute minimum: 0 at  
D. Absolute maximum: 36 at    and    absolute minimum: 0 at   

Mathematics

Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 243(cos 240° + i sin 240°)

A. 3(cos 48° + i sin 48°), 3(cos 138° + i sin 138°), 3(cos 228° + i sin 228°), 3(cos 318° + i sin 318°), 
B. 3(cos 48° + i sin 48°), 3(cos 120° + i sin 120°), 3(cos 192° + i sin 192°), 3(cos 264° + i sin 264°), 
C. 3(cos 240° + i sin 240°), 3(cos 330° + i sin 330°), 3(cos 420° + i sin 420°), 3(cos 510° + i sin 510°), 
D. 3(cos 240° + i sin 240°), 3(cos 312° + i sin 312°), 3(cos 384° + i sin 384°), 3(cos 456° + i sin 456°), 

Mathematics

Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 3x - 5 - 6; relative to f(x) = 3x

A. Moved right 5 unit(s);
moved up 6 unit(s)

B. Moved left 5 unit(s);
moved up 6 unit(s)

C. Moved right 5 unit(s);
moved down 6 unit(s)

D. Moved left 5 unit(s);
moved down 6 unit(s)

Mathematics

Find an equation that meets the given conditions.y varies directly as x and y = 4 when x = 

A. = x 
B. = x
C. = x
D. = 12x

Mathematics