How do you evaluate the expression csc(pi/6)?

1 Answer
Jim G.
Aug 18, 2016

2

Explanation:

Using the color(blue)"trig identity"

color(orange)"Reminder " color(red)(|bar(ul(color(white)(a/a)color(black)(csctheta=1/sintheta)color(white)(a/a)|)))sintheta≠0

rArrcsc(pi/6)=1/sin(pi/6)=(1)/(1/2)=2

Related questions
See all questions in Trigonometric Functions of Any Angle
Impact of this question
23329 views around the world
You can reuse this answer
Creative Commons License