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The value of cos2750 + cos2450 + cos2150 – cos2300 – cos2600 is (A) 0 (B) 1 (C) 1/2 (D) 1/4

The value of cos2750 + cos2450 + cos2150 – cos2300 – cos2600 is
(A) 0 (B) 1 (C) 1/2 (D) 1/4

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

Please attach the image of the question

Regards
Vikas TU
14149 Points
3 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers

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