you solve the square root of 54a*7b*3
 
        
             
        
        
        
Answer:
A preposition 
Explanation:
        
                    
             
        
        
        
 is proved
 is proved
<h3><u>
Solution:</u></h3>
Given that,
 ------- (1)
  ------- (1)
First we will simplify the LHS and then compare it with RHS
 ------ (2)
  ------ (2)

Substitute this in eqn (2)

On simplification we get,


Cancelling the common terms (sinx + cosx)

We know secant is inverse of cosine

Thus L.H.S = R.H.S
 
 
Hence proved