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lisov135 [29]
3 years ago
5

Determine lim sin(x)/(x²-x)

Mathematics
1 answer:
spin [16.1K]3 years ago
7 0

The limit of a product is equal to the product of limits:

\displaystyle\lim_{x\to0}\frac{\sin x}{x^2-x}=\left(\lim_{x\to0}\frac{\sin x}x\right)\left(\lim_{x\to0}\frac1{x-1}\right)

You should recognize the first limit, which has a value of 1. In the second limit, the expression \dfrac1{x-1} is continuous at x=0, so its value is -1, and so the overall limit has a value of 1*(-1) = -1.

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How do you verify this trig identity?
myrzilka [38]

Step-by-step explanation:

\frac{ \sin(x) \csc(x)  }{ \cot(x) }

Rewrite csc(x) in terms of sin

\frac{ \sin(x) \frac{1}{ \sin(x) }  }{ \cot(x) }

Multiply the numerator. Notice that the factors in the numerator are reciprocal so they will factor out to 1.

\frac{1}{ \cot(x) }

Notice that cotangent and tan are reciprocal so

\tan(x)  =  \tan(x)

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Answer:

the first one

Step-by-step explanation:

distribution

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Use the triangle shown on the right to answer the question. According to the law on sines, which of the following statement(s) a
Lelechka [254]

Answer:

See below.

Step-by-step explanation:

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ololo11 [35]
I believe the fastest way to solve this problem is to take any two of the given points and to find the slope and y-intercept of the line connecting those two points.  

Let's choose the 2 given points (-3,16) and (-1,12).
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Now use the slope-intercept formula to find the y-intercept, b.

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So now we have the slope and the y-intercept.  Write the equation:

y = mx + b becomes y=-2x+10.  Which of the four given answer choices is the correct one?
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