Question

please solve it as fast as possible​

Answer 1

Step-by-step explanation:

*I am using 'A' instead of Ø"

To prove :

= CosecA + CotA

Solution :

LHS :  

★Rationalize it.

 ×  

 

By using,

★( a + b ) ( a - b ) = a² - b²

 

Also,

★Sin²A + Cos²A = 1

=> Sin²A = 1 - Cos²A

 

 

 

 

By using ratios of trigonometry :

★ = CosecA

★  = CotA

CosecA + CotA

Hence proved!