Question

cos so
+
-8 Sine 30-0
cos 70'
sin 20'
Sin 31​

Answer 1

Answer:

cosec is the reciprocal of sin.

The value of sin 30°=0.5

So, the value of cosec 30°=1/sin 30°

cosec 30°=1/0.5

cosec 30°=2

So, the answer is 2 .