cos(2a/7)+cos(4a/7)+cos(6a/7)=-1/2
Answers
Answered by
0
Answer:
gfdCNNnki refill my prescription and the Two Strings and I don't want me to come over here to see if you want me to do it like
Similar questions
Math,
5 months ago
English,
5 months ago
English,
5 months ago
Physics,
10 months ago
Environmental Sciences,
1 year ago