1 Answer

Manihtraa · Answer 1 · 2017-10-07T20:28:56+0000

Always try to find a way to convert cotx, secx, cscx, and tanx into cosx and sinx

cotx (1/secx) = (1/sinx) - sinx
(cosx/sinx) (cosx) = (1/sinx) - sinx
cos²x / sinx = (1- sin²x)/sinx
cos²x = 1 - sin²x
sin²x + cos²x = 1

0 Comments

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 Comments

Please log in or register to add a comment.

Other Questions