Question

fan+medal

Answer 1

@javyb13

Answer 2

just you need to know that cot theta = 1/(tan theta) - use this please

and you need to know that tan theta = sin theta / cos theta

or cot theta = cos theta / sin theta

hope helped

Answer 3

I would sketch a triangle in the fourth quadrant.
do you know how to do that ?

Answer 4

sin(theta) = -15/17
cos(theta) = 8/17 is the answer

Answer 5

ok ty

Answer 6

your welcome