Find the sum. + 

A.  
B.
C. -  
D. -  


Answer: D

Mathematics

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Provide an appropriate response.Find the period of the function y = 5 cos .

A. -90° B. 2 C. 180° D. 5

Mathematics

For the given complex number, determine the complex conjugate in trigonometric form.2 (cos (-40°) + i sin (-40°))

A.  (cos (-40°) + i sin (-40°))
B.  (cos (-40°) + i sin (40°))
C. 2 (cos (40°) + i sin (-40°))
D. 2 (cos (-40°) + i sin (40°))

Mathematics

Find the absolute maximum value and the absolute minimum value, if any, of the given function. ? ?

A. Absolute maximum value: ; absolute minimum value: none
B. Absolute maximum value: ; absolute minimum value: none
C. Absolute maximum value: none; absolute minimum value: 
D. No absolute extrema

Mathematics

Use the comparison test to determine whether the series is convergent or divergent. ?

What will be an ideal response?

Mathematics