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alex41 [277]
3 years ago
7

Find the real solutions of the equation by graphing. x2 + 2x + 2 = 0

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

There is no real solution

Step-by-step explanation:

∵ x² + 2x + 2 = 0

From the graph there is no intersection between the parabola and

the x-axis

∴ There is no real solution

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If, P(x,y) is a point on the unit circle determined by real number δ, then tanδ = what
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\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
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\\ \quad \\\\
% cosine
cos(\theta)=\cfrac{adjacent}{hypotenuse}
=\cfrac{x}{r}
=\cfrac{1}{sec(\theta)}
\\ \quad \\\\
% tangent
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\bf cot(\theta)=\cfrac{adjacent}{opposite}
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\\ \quad \\\\
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csc(\theta)=\cfrac{hypotenuse}{opposite}
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% secant
sec(\theta)=\cfrac{hypotenuse}{adjacent}
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-------------------------------\\\\
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Step-by-step explanation:

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