Answer:
42
Step-by-step explanation:
sinx=cos(x+6)
sinx=sin[90-(x+6)]
x=90-x-6
x=84+x
x+x=84
2x=84
x=42
See the attached picture.
Answer could change slightly depending on how all the steps are rounded.
in this link
bit.
ly/3dXyuz8