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blackops7777
13.07.2019 •
Mathematics
Solve the equation using the quadratic formula v squared +2v-8=0
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Ответ:
Ответ:
9514 1404 393
a) x ≈ 36.87°
b) y ≈ 53.13°
c) they are complementary
Step-by-step explanation:
a) The tangent relation is useful:
Tan(x°) = Opposite/Adjacent = 3/4
x° = arctan(3/4) = 36.87°
__
b) The tangent relation is useful:
Tan(y°) = Opposite/Adjacent = 4/3
y° = arctan(4/3) = 53.13°
__
c) The acute angles in a right triangle are complementary angles.