Question

find the value of cosec 90°​

Answer 1

Step-by-step explanation:

$\sf \leadsto cosec \theta = \frac{1}{sin \theta} \\ \sf \leadsto \csc(90) = \frac{1}{ \csc(90) } \\ \sf \leadsto \frac{1}{0} \\ \sf \leadsto valueless$

Answer 2

Answer:

$\huge{ \pink{ \csc(90) = 1}}$