Mathematics OpenStudy (anonymous):

find the value of x.Round to the nearest tenth. OpenStudy (anonymous):

x is the height the hypotenuse side is 14 and the angle is 33degrees OpenStudy (anonymous): OpenStudy (shadowfiend):

Depending on whether the x is adjacent or opposite of the angle, use either sin or cos. You can set it up something like this: $\sin 33 = \frac{x}{14}$ And solve for x. Make sure that you use sin or cos, whichever one is appropriate, though. OpenStudy (anonymous):

so how do i write that on the ti 30x calculator OpenStudy (anonymous):

x is oposite to 33degrees and hypothenuse is 14 OpenStudy (shadowfiend):

So which is appropriate, sin or cos? Which ratio involves both the opposite and the adjacent? OpenStudy (anonymous):

so i need sine OpenStudy (anonymous):

sin OpenStudy (shadowfiend):

Right. OpenStudy (shadowfiend):

So how do you solve the above equation for x? OpenStudy (anonymous):

i guess i press sin then put 33 divided by 14 OpenStudy (anonymous):

do i press sin then (33 / 14) OpenStudy (anonymous):

or 33sin(14) OpenStudy (shadowfiend):

Not divided by 14. OpenStudy (shadowfiend):

Multiply. But yes, sin then 33 then times 14 would do it, and 14 then times then sin 33 should also work. OpenStudy (anonymous):

i got 7.98 OpenStudy (shadowfiend):

Hm. Should be 13.998 or so. OpenStudy (anonymous):

i get .9 or 7.6 or .007 can u show me a formula on how u did it OpenStudy (shadowfiend):

14 * sin(33). It's the only solution to the equation above. OpenStudy (anonymous):

i got the same thing 7.62494649 OpenStudy (shadowfiend):

Simpler calculators may require you to do: 33 <sin button> <x button> 14 <=> OpenStudy (anonymous):

i got the texas instrument TI-30XTIS OpenStudy (anonymous):

i just got 7.983422555 OpenStudy (shadowfiend):

And I have no idea how it works :) I'm just guessing. OpenStudy (anonymous):

so u dont know how to do it? OpenStudy (shadowfiend): OpenStudy (anonymous):

it cant be 13.998 OpenStudy (anonymous):

since hypotenuse is 14 OpenStudy (shadowfiend):

I'm an idiot, I'm sorry. OpenStudy (anonymous):

shadow can u put the sine cosine tangent formulas again see if im right OpenStudy (shadowfiend):

7.6 was correct. I've been using degrees where things expected radians. OpenStudy (anonymous):

ur not an idiot mistakes are always made that is what makes us humans OpenStudy (anonymous):

is it 33 sin(14) or 14 sin (33) OpenStudy (shadowfiend):

It's 14 sin(33) OpenStudy (anonymous):

in a cosine let say its the same numbers how u find the end result

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