Question

FInd the value of cos1° + cos2° +cos3° .... + cos360°

Answer 1

Let sum of value of cos from 1 degree up to 90 degree be +X

Then sum (91 to 180)= -X

Similarly sum ( 181 to 270)= -X

sum ( 271 to 360) = + X

Total= +X-X-X+X= 0 ( Zoro)

This is answer of given question

Answer 2

Answer:

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