Respuesta :
✏Answer:
Sin3A=Cos3A
Cos(90-3A)=Cos3A
90-3A=3A
90=3A+3A
90=6A
90/6=A
A=15
^•^
- Sin3A=Cos3A
- Cos(90-3A)=Cos3A
- 90-3A=3A
- 90=6A
- 90/6=A
- A=15
The answer is A=15
Sin3A=Cos3A
Cos(90-3A)=Cos3A
90-3A=3A
90=3A+3A
90=6A
90/6=A
^•^
The answer is A=15