Question

Cos(40+ x)degree= sin 30 degree

Answer 1

hey mate here is your answer ✌♥

cos(40+X)=sin30

cos(40+X)=sin(90-60)

cos(40+X)=cos60

40+X=60

so X=20°

hope it will be helpful to you ✔✔

mark me brainliest ✌✌✌