Respuesta :

Answer:

2√3/3.

Step-by-step explanation:

-1020 / 360 = -2.8333....

0.83333 * 360 = -300

-300 degrees  = 60 degrees.

sin 60 = √3/2

csc = 1/sin so:

csc  60 = 2/√3

= 2√3/3.