Question

What is sin theta given (–3, 4) is a point on the terminal side of theta?
3/5* My anwser
4/5
-4/5
-3/5


What is cos theta given (–2, 9) is a point on the terminal side of theta?

-9 sqrt 85/85
2 sqrt 85/85
-2 sqrt 85/85
9 sqrt 85/85* my anwser

The line with equation 3b – a = 0 coincides with the terminal side of an angle x in standard position in Quadrant III. What is cos x?

-sqrt10/10
-3sqrt10/10
sqrt10 * my anwser
1/3

Answer 1

The line with equation a + b = 0 coincides with the terminal side of an angle x in standard position in Quadrant II. What is tan x?

I don't know How to solve this. bit of help with it.


What is the reference angle for the angle with measure 2pi/3

2pi/3
-pi/3
pi/6
pi/3 * My anwser


I will medal and fan please check my anwsers and help me solve this.

Answer 2

If you think their correct Narissa, go with it.

Answer 3

can yuo help me solve the tan x one?

Answer 4

I can try, i'm not really good with math.

Answer 5

I'm not sure sorry @Uri @AnswerMyQuestions