ericchen4399
03.04.2021 •
Mathematics
Algebra 2
L.3 Multiply polynomials BGN
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Ответ:
9514 1404 393
121.9°, 238.1°
Step-by-step explanation:
One angle is found directly from ...
θ = arccos(-√7/5) ≈ 121.9°
The other angle is this subtracted from 360°:
θ = 360° -121.9° = 238.1°
The two angles are 121.9° and 238.1°.