Mark the correct alternative in the following:
If 
, then sec x + tan x =
⇒ sec x – tan x
⇒ sec x – tan x
⇒ 2x
∴ the value of sec x – tan x = 2x, 1/2x.
1
Mark the correct alternative in the following:
If , then sec x + tan x =
⇒ sec x – tan x
⇒ sec x – tan x
⇒ 2x
∴ the value of sec x – tan x = 2x, 1/2x.