What is lim x->0 (1-cosx) /sinx? - Mathematics and Calculus - Quora
SOLVED: To answer questions 28-30, use the equation: 1 - cos(X) = sin(X) * sin(X) 28. What is one identity used in the solution? sin(X) * cos(X) = cos(X) * sin(X) 29.
Example 40 (ii) - Differentiate tan^-1 (sin x/ (1 + cos x)) - Teachoo