cosx+cos(π+x)+cos(2π+x)+cos(3π+x)+.....+cos(20π+x)=
juhi78621:
plzz friendzzz help me
Answers
Answered by
0
cosx-cosx+cosx....+Cosx=cos x
Similar questions
Hindi,
7 months ago
CBSE BOARD X,
7 months ago
Social Sciences,
1 year ago
Math,
1 year ago
English,
1 year ago
English,
1 year ago