Sage fails to evaluate this expression.

asked 2015-03-29 11:12:06 +0100

This post is a wiki. Anyone with karma >750 is welcome to improve it.

Sage doesn't seem to compute correctly 8*sin(pi/9)^3 - 6*sin(pi/9) + 3^(1/2) which is plain zero.

1 Answer

Sort by » oldest newest most voted

Sage can compute it, but you must help it with reduce_trig():

a = 8*sin(pi/9)^3 - 6*sin(pi/9) + 3^(1/2)
a.reduce_trig()
0

Please start posting anonymously - your entry will be published after you log in or create a new account.

1 follower

Asked: 2015-03-29 11:12:06 +0100

Seen: 298 times

Last updated: Mar 30 '15