1 | initial version |

If you type

```
sage: d.simplify
```

and the tab key, you will see a pop-up frame showing different ways to complete that command to simplify `d`

:

Select one of them, say `simplify_full`

, and `?`

and press the return key to see the associated help:

```
sage: d.simplify_full?
Docstring:
Apply "simplify_factorial()", "simplify_rectform()",
"simplify_trig()", "simplify_rational()", and then "expand_sum()"
to self (in that order).
ALIAS: "simplify_full" and "full_simplify" are the same.
EXAMPLES:
sage: f = sin(x)^2 + cos(x)^2
sage: f.simplify_full()
1
sage: f = sin(x/(x^2 + x))
sage: f.simplify_full()
sin(1/(x + 1))
...........................
```

In this case, since `d`

contains radicals, you may try another method:

```
sage: d.canonicalize_radical()
```

which is the actual form of the deprecated `simplify_radical`

. Check if the resulting simplification is good enough for you.

2 | No.2 Revision |

If you type

```
sage: d.simplify
```

and the tab key, you will see a pop-up frame showing different ways to complete that command to simplify `d`

:

Select one of them, say `simplify_full`

, ~~and ~~add `?`

and press the return key to see the associated help:

```
sage: d.simplify_full?
Docstring:
Apply "simplify_factorial()", "simplify_rectform()",
"simplify_trig()", "simplify_rational()", and then "expand_sum()"
to self (in that order).
ALIAS: "simplify_full" and "full_simplify" are the same.
EXAMPLES:
sage: f = sin(x)^2 + cos(x)^2
sage: f.simplify_full()
1
sage: f = sin(x/(x^2 + x))
sage: f.simplify_full()
sin(1/(x + 1))
...........................
```

In this case, since `d`

contains radicals, you may try another method:

```
sage: d.canonicalize_radical()
```

which is the actual form of the deprecated `simplify_radical`

. Check if the resulting simplification is good enough for you.

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