problem 1:

(Choose an alternative)

If X is an angle that measures between /2 radians and 0 radians, then the outputs: Select one:

a. sen(X) has positive sign, cos(X) has negative sign, and tan(X) has negative sign.

b. sen(X) has positive sign, cos(X) has positive sign, and tan(X) has positive sign.

c. sen(X) has positive sign, cos(X) has negative sign, and tan(X) has positive sign.

d. sen(X) has positive sign, cos(X) has positive sign, and tan(X) has negative sign.

and. sen(X) has a negative sign, cos(X) has a positive sign, and tan(X) has a negative sign.

f. sen(X) has a negative sign, cos(X) has a positive sign, and tan(X) has a positive sign.

g. sen(X) has a negative sign, cos(X) has a negative sign, and tan(X) has a positive sign.

h. sen(X) has a negative sign, cos(X) has a negative sign, and tan(X) has a negative sign.

problem 2

(Choose an alternative)

The inputs (the first coordinates) of the intercepts of the graph of f(x)=4cos(x) are:

Select one:

to. the odd multiples of .

b. the odd multiples of frac{pi}{2}.

c. the multiples of frac{pi}{8}.

d. multiples of 8pi.

and. the multiples of frac{pi}{2}.

f. the odd multiples of 2pi.

g. the multiples of 2pi.

h. the multiples of frac{pi}{4}.

i. the odd multiples of 4pi.

j. the multiples of pi.

k. multiples of 4.

l. the odd multiples of frac{pi}{4}.

m. the odd multiples of frac{pi}{8}.

n. odd multiples of 8pi

problem 3

(Choose an alternative)

The polynomial x^33x^28x10 has as a factor the linear polynomial:

Select one:

to. x

b. x5

c. x+10

d. x+1

and. x10

f. x2

g. x-1

h. x+5

i. x+2