1 | initial version |

Looks like a bug to me. I do get `True`

for the following.

```
eq=tan(pi/5) == sin(pi/5)/cos(pi/5)
bool(eq.simplify_trig())
```

Note that `eq.simplify_trig()`

gives:

```
4*sin(1/5*pi)/(sqrt(5) + 1) == 4*sin(1/5*pi)/(sqrt(5) + 1)
```

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