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Mathematics 9 Online
OpenStudy (anonymous):

PLEASE HELP ? :( will give medal!!!!!!!!

OpenStudy (anonymous):

yea what u need help with @TMP321

OpenStudy (anonymous):

I work it out and I got 28,7930

OpenStudy (jdoe0001):

notice is a right triangle, and recall that \(\bf sin(\theta) = \cfrac{\textit{opposite side}}{hypotenuse} \implies hypotenuse = \cfrac{\textit{opposite side}}{sin(\theta)}\)

OpenStudy (anonymous):

@TMP321

OpenStudy (anonymous):

I never learned how to do this, the lesson doesnt teach it so ive been trying to solve it backwards and its just not working out for me

OpenStudy (anonymous):

when I did i got the the 3rd one

OpenStudy (anonymous):

it is 25636

OpenStudy (anonymous):

how did u get that

OpenStudy (anonymous):

http://www.mathwarehouse.com/trigonometry/sine-cosine-tangent-practice3.php this should help

OpenStudy (anonymous):

sine (55) = 21000/x

OpenStudy (anonymous):

I aint even get that but im done helping bye

OpenStudy (jdoe0001):

keep in mind 55 stand for degrees, not radians, thus make sure your calculator is in Degrees mode

OpenStudy (anonymous):

it is in degree mode :/ and i still get the same thing

OpenStudy (anonymous):

@jdoe0001 i got 25,636.. did i do it right?

OpenStudy (jdoe0001):

yeap

OpenStudy (anonymous):

thank youu!

OpenStudy (jdoe0001):

yw

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