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kcla1996
 3 years ago
Use the diagram to find sin X as a fraction in simplest form.
kcla1996
 3 years ago
Use the diagram to find sin X as a fraction in simplest form.

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geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1Okay, what is the sin function? What two sides?

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1SOHCAHTOA. Remember that for the rest of your life. ;)

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1Sin = Opposite / Hypotenuse Cos = Adjacent / Hypotenuse Tan = Opposite / Adjacent You will use those a lot.

kcla1996
 3 years ago
Best ResponseYou've already chosen the best response.0i still don't get it....

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1Do you know what opposite and adjacent mean, relative to the angle, X, in the triangle?

kcla1996
 3 years ago
Best ResponseYou've already chosen the best response.0idk if this is right: adjacent is 36 opposite is 60 and hypotenuse is 48 ?

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1You're right about adjacent. The other two, you have mixed up. Opposite will always be the only side of the triangle that doesn't touch the angle you're looking at. The hypotenuse (in a right angle triangle) is always the side across from (not touching) the right angle. Also, the hypotenuse will *always* be the longest side.

kcla1996
 3 years ago
Best ResponseYou've already chosen the best response.0sin: 48/60 cos: 36/60 tan: 48/36 is this correct?

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1Yes! You've got the premise. The only issue is with how you've written it. Technically, the value of your angle (in degrees) is equal to sin(48/60), cos(36/60), or tan(48/36).

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1You know X = sin(48/60), all that's left is the question asks for a fraction in simplest form.

geoffb
 3 years ago
Best ResponseYou've already chosen the best response.1Sorry, I was thinking backward. It's not X = sin(4/5). It's sin X = 4/5. So yes, that is perfect.
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