Question

Please solve this question​

Answer 1

Step-by-step explanation:

add

secx+tanx+secx-tanx/secx^2-tanx^2(sec2-tan2=1)

=2secx

=2/cosx

Mark it is not

Answer 2

Answer:

1/(sec x-tan x)+1/(sec x+tan x)

Adding this one. we get,

sec x+tan x+sec x-tan x/sec^2x-tan^2x

2sec x/1

2sec x

2/cos x

________________________

Identities used

• sec^2x-tan^2x=1
• sec x=1/cos x.