Question

cosec A root (1-cos²A)=1​

Answer 1

Answer:

Step-by-step explanation:

Identity : sin  

2

θ+cos  

2

θ=1

LHS = cosecθ  

(1−cos  

2

θ)

​  

 

     =cosecθ  

sin  

2

θ

​  

 

     =cosecθsinθ

     =  

sinθ

1

​  

×sinθ

     =1

     =RHS