Give an example for each of the following in Radians A An an

Give an example for each of the following in Radians:

A) An angle for which cosine and cotangent are equal.

B) An angle for which cosecant is undefined

C) An angle for whcih cosine and sine are equal

Solution

A) An angle for which cosine and cotangent are equal.
   Ans) Pi/2 rad

B) An angle for which cosecant is undefined
   Ans) Pi/4 rad

C) An angle for whcih cosine and sine are equal
Ans) 0 rad