1 | initial version |

Sage can compute it, but you must help it with reduce_trig():
sage: a = 8*sin(pi/9)^3 - 6*sin(pi/9) + 3^(1/2)
sage: a.reduce_trig()
0

2 | No.2 Revision |

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

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

3 | No.3 Revision |

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

sage: a = 8*sin(pi/9)^3 - 6*sin(pi/9) + ~~3^(1/2)
~~3^(1/2)

sage: ~~a.reduce_trig()
~~a.reduce_trig()

0

4 | No.4 Revision |

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

sage:

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

sage: a.reduce_trig()

0

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