put cosx in terms of tan x formula
3 Answers
Amartya Kumar Mistry
·Jun 25 at 22:37
you may also try this way just simplify cos^x in the form of cos2x then just apply tanx formula of cos2x and after taking tanx=Z you will get an expression which will be easier to solve
Sahil Jain we cannot as tan is not defined at pie
Upvote·0· Reply ·Jun 26 at 7:54