Question

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

Answer 1

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°