tan x is equal to k find the value of x divided by cos x cube + cos x divided by sin x cube
Answers
Answered by
2
(sin x + cos x)/cos³ x
= (sin x/cos³ x + cos x/cos³ x)
= tan x sec² x + sec² x
= sec² x (tan x + 1)
= (tan² x + 1)(tan x + 1)
= tan³ x + tan² x + tan x
Similar questions