Question

Please help me nd answer only if u know the answer ​

Answer 1

Step-by-step explanation:

applying compentodivendorule

1+sinalpha+1-sinalpha/1+sinqlpha-1+sinalpha=m^2+n^2/m^2-n^2

2/2sinalpha=m^2+n^2/m^2-n^2

1/sinalpha=m^2+n^2/m^2-n^2

sinalpha=m^2-n^2/m^2+n^2

you want to know componendoanddevendo

Answer 2

Answer:

option B

refer to attachment for solution