Question

plz solve these two questions... it will be really helpful for me...thank u

Answer 1

HOPE THIS WILL HELP U ;)

Answer 2

Sec 4A= Cosec (A-20degree)
Sec(90-4A)= Cosec (A-20degree)
90-4A=A-20
90+20=4A+A
110=5A
A=110/5
A=22
I hope you can understand this Question