superme485 superme485

07-06-2017
Mathematics

contestada

Find the value of x, rounded to the nearest degree.

Find the value of x rounded to the nearest degree class=

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apologiabiology apologiabiology

08-06-2017

that is adjacent and huptonuse
soh cah toah
so that is cos

cos(x)=15/21
so tehrfor
cos⁻¹(15/21)=x
where cos⁻¹ means inverse not 1/cos

use your calculator to evaluate cos⁻¹(15/21) in degrees

it is about 44.4153 degres, rounded to 44 degrees

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