Question

please give solution of this question i will shourly mark your answer as brainlist

Answer 1

I hope this helps u dear friend

Answer 2

Hey

Here is your answer,

To find:

=cos^2 20 + cos^2 70/ sin^2 59 + sin^2 31
= Cos ^2 (90-70) + cos ^2 70 / sin^2 (90-31) + sin^2 31
=sin^2 70 + cos^2 70/cos ^2 31 + sin^2 31
= 1/1
=1

Hope it helps you!