prove-1-cos-x-1-cos-x-dx-2cot-x-2-x-c-

Question Number 61147 by malwaan last updated on 29/May/19

p r o v e

\int \frac{1 + c o s x}{1 - c o s x} d x = - 2 c o t \frac{x}{2} - x + c

Answered by tanmay last updated on 29/May/19

\int \frac{2 {c o s}^{2} \frac{x}{2}}{2 {s i n}^{2} \frac{x}{2}} d x

\int ({c o s e c}^{2} \frac{x}{2} - 1) d x

= \frac{- c o t (\frac{x}{2})}{\frac{1}{2}} - x + c

= - 2 c o t (\frac{x}{2}) - x + c

Commented by malwaan last updated on 29/May/19

t h a n k y o u s i r

c a n y o u s o l v e i t b y t r i g . s u b . ?

Facebook Tweet Pin