(a) sin-1(-22)=

(b) sin-1(12)=

(c) sin-1(32)=

(a) cos-1(0)=

(b) cos-1(22)=

(c) cos-1(12)=

(a) tan-1(-3)=

(b) tan-1(-1)=

(c) tan-1(-33)=

*Figure is not to scale.*

14<– ?11

degrees

Give your answer as an exact value

Give your answer as an exact value

cos(sin-1(y))=

sec(tan-1(t))=

For the right triangle below, find the measure of the angle in degrees. Round your answer to 2 decimal places.

*Figure is not to scale.*

10<– ?12

degrees

degrees

Then the terminal side of θ could be in (check all that apply):

arcsin(79) is an angle whose terminal side is in (check all that apply):

Then the terminal side of θ could be in (check all that apply):

arccos(-58) is an angle whose terminal side is in (check all that apply):

Then the terminal side of θ could be in (check all that apply):

arctan(-29) is an angle whose terminal side is in (check all that apply):

arctan(tan220o)= degrees.

Find the exact value or state that it is undefined. In the latter case, enter “DNE”.

cos-1(cos(-3π4))

Find the exact value or state that it is undefined. In the latter case, enter “DNE”.

arcsec(sec(5π6))

Find the exact value or state that it is undefined. In the latter case, enter “DNE”.

cot(arccos(-22))

Find the exact value or state that it is undefined. In the latter case, enter “DNE”.

cot(arccos(1213))

Find the exact value or state that it is undefined. In the latter case, enter “DNE”.

cot(arccsc(54))

A canyon is 7403 feet deep. From that point, a fire is seen at a location known to be 8 miles away from the base of the canyon wall. What is the angle of depression from the canyon edge to the fire? Round your answer to the nearest hundredths of a degree.

A para-sailor is being pulled by a boat on a lake. The cable is 194 feet long and the para-sailor is 190 feet above the surface of the water. what is the angle of elevation from the boat to the para-sailor? Round your answer to the nearest hundredths of a degree.