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PLEASE HELP I WILL GIVE BRAINLIEST!
Find the value of x
Round to the nearest tenth.
14
19
x= [?]
Law of Cosines: C2 = 22 + b2 - 2ab cos C

PLEASE HELP I WILL GIVE BRAINLIEST Find the value of x Round to the nearest tenth 14 19 x Law of Cosines C2 22 b2 2ab cos C class=

Respuesta :

clarch19

Answer:

22.1°

Step-by-step explanation:

cos^-1(x) = (8² - 19² - 14²) ÷ -2(14)(19)

cos^-1(x) = -493 ÷ -532

cos^-1(0.9267) = 22.1°

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