# Trigonometric Functions

#### <mark style="color:purple;">SIN(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the sine of the given argument, which must be in radians.

```sql
> select sin(randians(90));
1
```

#### <mark style="color:purple;">SINH(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the hyperbolic sine of its argument.

Support datatype: INT/DOUBLE

```sql
> select sinh(-0.2);
-0.20133600254109402
```

#### <mark style="color:purple;">COS(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the cosine of the given argument, which must be in radians.

```sql
> select cos(degrees(45));
0.7071067811865476
```

#### <mark style="color:purple;">COSH(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the hyperbolic cosine of its argument.

```sql
> select cosh(-5)
74.20994852478785
```

#### <mark style="color:purple;">ACOSH(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the hyperbolic cosine of its argument.

```sql
> select acosh(1.5)
0.9624236501192069
```

#### <mark style="color:purple;">TANH(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Computes the hyperbolic tangent of the `expr`

```sql
> select tanh(3.5);
0.9981778976111987
```

#### <mark style="color:purple;">COT(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Calculate the cotangent of the given argument, which must be in radians.

```sql
> select cot(100);
-1.702956919426469
```

#### <mark style="color:purple;">DEGREES(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Converts radians to degrees.

```sql
> select degrees(1);
57.29577951308232
```

#### <mark style="color:purple;">RADIANS(</mark> \<expr> <mark style="color:purple;">)</mark> &#x20;

Converts degrees to radians.

```sql
> select radians(1);
1.0471975511965976
```

#### <mark style="color:purple;">PI(</mark> <mark style="color:purple;">)</mark> &#x20;

Returns the value of pi as float

```sql
> select pi() 
3.141592654
```