cos1 + cos2+cos3 + .................... + cos179 = ?
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Answered by
10
Since cos1 = -cos179
so, cos1 + cos179 = 0.
Then everything from cos2 + cos 178, cos3 + cos 177, so on and so forth, will be 0 so ans for this is 0
so, cos1 + cos179 = 0.
Then everything from cos2 + cos 178, cos3 + cos 177, so on and so forth, will be 0 so ans for this is 0
Answered by
6
Since cos1 = -cos179
so, cos1 + cos179 = 0.
Then everything from cos2 + cos 178, cos3 + cos 177, so on and so forth, will be 0 so ans for this is 0
so, cos1 + cos179 = 0.
Then everything from cos2 + cos 178, cos3 + cos 177, so on and so forth, will be 0 so ans for this is 0
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