I feel stupid for asking for help but, Idk where I went wrong | Revision Server | Page 1

loud sail Nov 8, 2024, 8:19 PM

#

I did
cos theta = adjacent/ hypotonues
cos 30 = 14/x
14 / cos 30 = x
cos 30 = sqrt 3/2
thus
14 / sqrt3/2 = x

Do a bit of fraction division to get:
28/sqrt 3 or 28sqrt 3 / 3 when rationalised

urban perch Nov 9, 2024, 6:22 PM

#

cos30 < 14/x
xcos30 < 14
x < 14/cos30

loud sail Nov 9, 2024, 6:51 PM

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we don't have to simplify?

#I feel stupid for asking for help but, Idk where I went wrong