Question

please answer fast I will mark you the brinalest answer​

Answer 1

Answer:

In my opinion the solution should be the following.

I hope it helps.

Thank you.

Answer 2

L.H.S ; cos 20/sin70 +cos thita /sin (90 -thita)

=cos 20/sin (90-70)+cos thita /cos thita

{sin (90-thita) =cos thita }

cos and cos  will cancel

1+1= 2 =R.H.S