Respuesta :
Answer:
Step-by-step explanation:
cos(300)°
=cos(3×90+30°)
Here 3 is odd,so we have to change cos into sin.
=sin30°
=1/2
Answer:
Step-by-step explanation:
cos(300)°
=cos(3×90+30°)
Here 3 is odd,so we have to change cos into sin.
=sin30°
=1/2