How do you find the value of csc pi? Trigonometry Right Triangles Trigonometric Functions of Any Angle 1 Answer Adrian D. Aug 20, 2015 csc(pi) is undefined Explanation: csc(x)=1/sin(x) We have sin(pi)=0, therefore csc(pi)=1/0 which is undefined and has different limits when approached from above and below (+-oo). Answer link Related questions How do you find the trigonometric functions of any angle? What is the reference angle? How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle? What is the reference angle for 140^\circ? How do you find the value of cot 300^@? What is the value of sin -45^@? How do you find the trigonometric functions of values that are greater than 360^@? How do you use the reference angles to find sin210cos330-tan 135? How do you know if sin 30 = sin 150? How do you show that (costheta)(sectheta) = 1 if theta=pi/4? See all questions in Trigonometric Functions of Any Angle Impact of this question 4849 views around the world You can reuse this answer Creative Commons License