$\"\"$

(a)

The angle $\"\"$ = 1 radian.

Convert the angle in degrees.

$\"\"$ = radian = $\"\"$ .

The complement of 1 radian is

Subtract angle from $\"\"$ .

$\"\"$

The supplement of 1 radian is

Subtract angle from $\"\"$ .

$\"\"$

$\"\"$

(b)

The angle $\"\"$ = 2 radian.

The complement of 2 radian

$\"\"$ = radian = $\"\"$ .

$\"\"$

The supplement of 2 radian is

$\"\"$

$\"\"$

(a) The complement and supplement of 1 radian are $\"\"$ and $\"\"$ .

(b) The complement and supplement of 2 radian are $\"\"$ and $\"\"$ .