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Mathematics 19 Online
OpenStudy (anonymous):

Given point P (5, 12), find sin. 5/13 12/13 5/12

OpenStudy (anonymous):

Noo this one is different.

hartnn (hartnn):

did you try this ?

OpenStudy (anonymous):

yes , I think im doing it right but I still want to make sure

hartnn (hartnn):

plot the point on the graph,making a right triangle. show you attempt , we'll confirm :)

OpenStudy (anonymous):

okie dokie then

hartnn (hartnn):

if you got 12/13, then there;s no need, you are correct.

OpenStudy (anonymous):

|dw:1363180577237:dw| 12^2+5^2=169 c^2=169 c= 13

hartnn (hartnn):

going good so far :)

OpenStudy (anonymous):

Cool! soo sin is opposite over hypotenuse, so I believe the answer is 12/13

hartnn (hartnn):

you are absolutely correct :)

OpenStudy (anonymous):

correct!

OpenStudy (anonymous):

Omg!! Yayy, I really need to stop doubting myself. Thank you soo much!

hartnn (hartnn):

yes, welcome ^_^

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