Question

plz answer this question​

Answer 1

Applying Componendo and Dividends

1+sin$+1-sin$\1+sin$-1+sin$=m^2+n^2/m^2-n^2

2/2sin$= m^2+n^2/m^2-n^2

sin$=m^2-n^2/m^2+n^2