1. Find the exact value of the trigonometric function at the given real number. (a) sin (19/4)

(b) sin( /4)

(c) sin(5/4)

2. Find the exact value of the trigonometric function at the given real number. (a) sin 19/6

(b) csc 19/6

(c) cot 19/6

3. Find the value of each of the six trigonometric functions (if it is defined) at the given real number t. Use your answers to complete the table. (If an answer is undefined, enter UNDEFINED.)

t =

2

t	sin(t)	cos(t)	tan(t)	csc(t)	sec(t)	cot(t)
2

4. The terminal point P(x, y) determined by a real number t is given. Find sin(t), cos(t), and tan(t).

( 3/5, 4/5)

sin(t) = cos(t) = tan(t) =