xxtonixwilsonxx
22.04.2020 •
Mathematics
324=1409-1400cos(x)
What’s x equal ?
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Ответ:
x ≈ 39.2°
Step-by-step explanation:
Given
324 = 1409 - 1400 cos x ( subtract 1409 from both sides )
-1085 = - 1400 cos x ( divide both sides by - 1400 )
0.775 = cos x, thus
x =
(0.775) ≈ 39.2° ( to 1 dec. place )
Ответ:
B, C, D
Step-by-step explanation: