Question

... इज नो एस the entrance to kuch.​

Answer 1

Answer:

Explanation:

given  A=60  

0

 

μ  

1

​

sini=μ  

2

​

sinr

1 sin45  

0

=  

2

​

sinr

r=30  

0

 

r  

1

=30

∴i  

1

=45  

0

 

∴δ=c  

0

+c  

0  

1

 

−A

      =45  

0

+45  

0

−60

      =30  

0