Question

solve this
fast....
.....

Answer 1

Hey dear !!


Here is yr answer....


=> 1-sinΦ + cosΦ / sinΦ +cosΦ-1 = 1+cosΦ/sinΦ

=> cosΦ+cosΦ / sinΦ+sinΦ = sinΦ/sinΦ

=> 2 cosΦ/2sinΦ = 1

=> cosΦ/sinΦ = 1

=> cotΦ = 1


We know,

CotΦ = 1 is 45°


Therefore ,the ans is 45°


I Hope my answer is correct!!