Question

Find the value of cosec(-570degree)

Answer 1

Answer:

2

Step-by-step explanation:

cosec (-570) = cosec (-360 - 210) = cosec(-210) = - cosec (210) = -cosec (180 + 30) = cosec 30 = 1/sin(30) = 1/0.5 = 2

Answer 2

Answer:

cosec(360+210) =cosec210 cosec(180+30) = -cosec30 = -2