Question

Value of cos1+cos2......+cos360

Answer 1

Answer:

9.987836903 it is the answer.

Step-by-step explanation:

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Answer 2

cos1+cos2+.......+cos90

+ cos91+ cos92+. ........+cos180

+ cos181+ cos182+.... + cos270

+ cos 271+cos272+.....+cos360

X-X+X-X=0 (let X be the numerical sum of each line)

Here in the 1st and fourth line all values are (+)ve [ 1st and 4rth qdrnt]

in second and 3rd line all values are. (-) ve [ 2nd and 3rd qdrnt ]

Therefore total sum will be zero

because every line has same numerical value positive or negative according to the quadrant.

Answer. = 0 ( zero)