A point P(x,y) is shown on the unit circle corresponding to a real number t. Find the values of the trigonometric functions at t. (1,0) a. sint = (Type an exact answer, using radicals as needed. Simplify your answer and rationalize the denominator.) b. cost= (Type an exact answer, using radicals as needed. Simplify your answer and rationalize the denominator.) c. tant= (Type an exact answer, using radicals as needed. Simplify your answer and rationalize the denominator.) d. cset = (Type an exact answer, using radicals as needed. Simplify your answer and rationalize the denominator.)