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#### Search: #### Trigsimp

Function: trigsimp (<expr>) Employs the identities sin(x)^2 + cos(x)^2 = 1 and cosh(x)^2 - sinh(x)^2 = 1 to simplify expressions containing `tan`, `sec`, etc., to `sin`, `cos`, `sinh`, `cosh`. `trigreduce`, `ratsimp`, and `radcan` may be able to further simplify the result.

`demo ("trgsmp.dem")` displays some examples of `trigsimp`.

```(%o1)                                true
(%i2) ```

### Related Examples

##### trigsimp

T(X):= X.(1/T12).T14...

trigsimp (X.(1/X));

Calculate

##### trigsimp

trigsimp(Sin(3*x));

Calculate

##### trigsimp

T(X):= X.(1/T12).T14...

trigsimp (X.(1/X));

Calculate

? trigsimp;

Calculate

##### trigsimp

(x+a)^2;

trigsimp((x+a)^2);

Calculate

##### trigsimp

trigsimp(arcsin(x) + ...

Calculate

##### trigsimp

(x+a)^2;

trigsimp((x+a)^3);

Calculate

?trigsimp;

Calculate

##### trigsimp

(x+a)^2;

trigsimp((x+a)^3);

Calculate

##### trigsimp

trigsimp((1/(1+tg(x/2...

Calculate 