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

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asked May 17, 2018 32.2k views

1 Answer

Tim Aych · Answer 1 · 2018-05-21T22:55:53+0000

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

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

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