Question

Anyone can solve this. ​

Answer 1

Answer:

answer will be 1.

please mark it as brainlist answer ⭐⭐⭐⭐

Answer 2

Step-by-step explanation:

let x = Theeta

1/secx -tanx - 1/Cosx

rationalize by secx+tanx

you will get

secx +tanx -secx

1/Cosx + tanx -secx

again rationalize by tanx +secx

and note tan²x-sec²x = -1

1/Cosx - 1/ (secx +tanx )

hence proved