3. Let A, whose coordinates are (3, -4), be a point on the terminal side of angle t. Find the exact value of sin (t) and sec (t) O
sin (t) = -
- sec
3
sec (0) =
5
on w
O
sin (t) =
3
sec (t) =
on
sin (t) = 4,500 () 15
5
sec t=
3
se
sin (t) =
sec (t) =
3
wo
5

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations