$\"\"$

(a)

The angle $\"\"$ = 3 radian.

Convert the angle in degrees.

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

The complement of 3 radian is

Subtract angle from $\"\"$ .

$\"\"$

The supplement of 3 radian is

Subtract angle from $\"\"$ . \ \

$\"\"$

$\"\"$

(b)

The angle $\"\"$ = 1.5 radian.

The complement of 1.5 radian

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

$\"\"$

The supplement of 1.5 radian is

$\"\"$

$\"\"$

(a) The complement and supplement of 3 radian are $\"\"$ and $\"\"$ .

(b) The complement and supplement of 1.5 radian are $\"\"$ and $\"\"$ .