Question

Hello, I can't understand how can you figure out what quadrant does the result of the following exercise belong to. Help welcomed. Thanks.

It's the very very last problem of the following link (where it says Question 3: In a triangle ABC, we have that cos Y = 5, what is the values of sin Y?
13

*** edited useless link ***

Answer 1

your link is spam

Answer 2

they dont let you read the page, they direct you to sign up for the site ....

Answer 3

Now, if you are not given any specifics, then you cant determine a quadrant

Answer 4

Really, I can open it, no need to sign up. I'll double check...

Answer 5

http://math.tutorvista.com/geometry/pythagorean-identities.html#

I remember now, there's like a window on the left that asks you if you need help, don't pay attention, please because they link you to another page.

Answer 6

i clicked, as a was trying to find your problem, a chatbox opened and asked if i needed tutoring, i said no, and they directed me to another page to sign up. I really loathe those types of sites. ....

Answer 7

Don't answer leave it, they give up if you don't reply..

Answer 8

...still annoying lol

i dont see a triangle that they are refering to

Answer 9

if cos is positive, sin will be in Q1 or Q4

Answer 10

so depending on how triABC is drawn .... will depend on where which quad we reference

Answer 11

alltright thank amistre64, I felt very confused without any more data.

Answer 12

I don't see any triangle drawn there either.