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Mathematics 16 Online
OpenStudy (anonymous):

I NEED HELP PLEASE!

OpenStudy (anonymous):

Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only)

OpenStudy (amistre64):

use yout trig inverses

OpenStudy (amistre64):

*your

OpenStudy (amistre64):

what trig function uses only the legs of the triangle?

OpenStudy (anonymous):

I'm not really sure. I think it's tangent.

OpenStudy (amistre64):

tangent is correct

OpenStudy (amistre64):

so, let define the tan(y) as 5/14 inverse the fuction to get: y=\(tan^{-1}(5/14)\)

OpenStudy (anonymous):

Okay

OpenStudy (anonymous):

Then what?

OpenStudy (amistre64):

then you round the answer to the nearest hundredth as directed :/

OpenStudy (amistre64):

Find the measure of angle y. y = tan^(-1) (5/14) Round your answer to the nearest hundredth. after you it the equal sign on the calculator a bunch of numbers come up .... you will want to round them as needed

OpenStudy (anonymous):

I got 0.34

OpenStudy (anonymous):

Well I got 0.34 after I rounded it. Is that correct?

OpenStudy (anonymous):

Or is it 34.30 instead of 0.34?

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

keep in mind that inverse trig function give radian values as output

OpenStudy (amistre64):

http://www.wolframalpha.com/input/?i=arctan%285%2F14%29 .34302.... is in radians, 19.65 is in degrees

OpenStudy (amistre64):

.34 would seem to me to be the correct one, but if its wrong try the other one :)

OpenStudy (amistre64):

hmmm on closer inspection; it is asking for \(y^o\), y degree, so 19.65 is looking to be the correct one

OpenStudy (amistre64):

and just as a conversion since calculator tend to give radians: radian * 180/pi, converts radians to degrees

OpenStudy (anonymous):

Thank you so much for helping!

OpenStudy (amistre64):

youre welcome, good luck

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