How do you find the value of csc ((pi)/2)?

2 Answers
Alan P.
May 25, 2015

csc(theta) = 1/sin(theta)

sin(pi/2) = 1 (this is a basic relation)

rarr csc(pi/2) = 1

Gió
May 25, 2015

Well, csc(x)=1/sin(x) so basically, I would find sin(pi/2) and use it to get:
csc(pi/2)=1/(sin(pi/2))=1/1=1

Graphically:
![http://www.mathnstuff.com/math/spoken/here/2class/300/fx/library/http://trigfx.htm](https://useruploads.socratic.org/NdpwL5sOQ5GUVr94otrU_graph30.jpg)

Remember also that:
![http://www.mathnstuff.com/math/spoken/here/1words/c/c43.htm](useruploads.socratic.orguseruploads.socratic.org)

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