1.

Plz solve .. ........ . ​

Answer»

ong>Answer:

1.

Step-by-step EXPLANATION:

a cotx = 1 , B cosx = 1

a = 1/cotx, b = 1/cosx

b² - a²

= (1/cosx)² - (1/cotx)²

{1/cosx = secx, 1/cotx = tanx.}

=> (sec x)² - (tan x)²

=> sec²x - tan²x

=> 1. (According to the FORMULA).

         



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