$\"\"$

The function $\"\"$ .

Find $\"\"$ .

Draw the table for near values of $\"\"$ .

The table values calculated in radians mode.

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

As $\"\"$ tends to $\"\"$ , $\"\"$ approaches to $\"\"$ .

$\"\"$ .

$\"\"$

The function $\"\"$ .

Find $\"\"$ .

Draw the table for near values of $\"\"$ .

The table values calculated in degrees mode.

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \

$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$
$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$	$\"\"$

As $\"\"$ tends to $\"\"$ , $\"\"$ approaches to $\"\"$ .

$\"\"$ .

Hence, the error is occur due to the table values are calculated in degrees mode.

The probable reason could be the graphing utility was not set in the radian mode.

$\"\"$

The probable reason could be the graphing utility was not set in the radian mode.