Hello :
<span>cot (2 θ) + cot ( θ) = 0
</span>cot (2 θ) = - cot ( θ)
cot (2 θ) = cot ( - θ)
2 θ = - θ +2k <span>π k in : Z
</span>θ = 2k π /3
in : <span>[0, 2π)
</span>k=0 : θ = 0
k=1 : θ = 2π /3
k=2 : θ = 4π /3
Answer:
The correct answer is monthly . -APEX
Step-by-step explanation:
Answer:
(1) . -11
Step-by-step explanation:
f(-2)=-3(-2)^2+
-12+1=-11
Answer:
28%
Step-by-step explanation:
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