Categories Mathematics (cos(x)-cos3x)/(sin3x-sin(x)) = Post author By esimpk Post date June 16, 2021 No Comments on (cos(x)-cos3x)/(sin3x-sin(x)) = cot2x tan2x csc2x sec2x ← (A n B) n C = → (n+1)n(n-1)/3.2.1 = Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.