Question

Find the point on the terminal side of θ = negative three pi divided by four that has an x coordinate of -1. Show your work for full credit.

Answer 1

\(\dfrac{-3\pi}{4}\) can u draw it on xy plane ?

Answer 2

What do you mean?

Answer 3

I can draw it by using the Unit Circle

Answer 4

yes put the angle here plz :P

Answer 5

Isn't it -135°?

Answer 6

yes it is

Answer 7

That?

Answer 8

Is that correct?

Answer 9

yes ur correct , now u need to find coordinate

Answer 10

Isn't theta just 45°?

Answer 11

yes ur correct :)
now find r,and y
note that
\(x=r cos \theta\)
\(y=r sin \theta\)

Answer 12

How do I find r and y?

Answer 13

is y -1?

Answer 14

I did the tangent of 45=y/-1 and got -1

Answer 15

@ikram002p I'm confused

Answer 16

I must've done something wrong because a right triangle cannot have equal sides