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pentagon [3]
3 years ago
11

Find the terminal point on the unit circle determined by

Mathematics
1 answer:
Flauer [41]3 years ago
3 0

Answer:

This is just basic 30-60-90 triangle stuff, recognizing that the angle takes you into the 2nd quadrant.

-0.5 + i(√3)/2 in the complex plane or

(-.05, (√3)/2 ) in the xy-plane

Step-by-step explanation:

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Which graph shows a negative correlation?
Zigmanuir [339]

Uh oH 6+ well I guess than 6+ if this get wrong then I'm sorry

4 0
3 years ago
Help Please !
Mamont248 [21]
The answer is <span>Sum of Cubes.

Since there is sign +, we expect it to be the sum. Among all choices, only the last one includes summation, and that is sum of cubes.

Let's check it out.
Sum of cubes can be expresses as:
a</span>³ + b³ = (a + b)(a² - ab + b²)

Let's see what are cube roots of 125 and 8: 
∛125 = ∛5·5·5 = ∛5³ = 5     ⇒     a = 5
∛8 = ∛2·2·2 = ∛2³ = 2     ⇒     b = 2

Now, let's implement that in the equation of sum of cubes:
5³ + 2³ = (5 + 2)(5² - 5·2 + 2²)
125 + 8 = 7 · (25 - 10 + 4)
133 = 7 · 19
133 = 133

Therefore, sum of cubes is the right answer.
6 0
4 years ago
<img src="https://tex.z-dn.net/?f=integration%20%5C%3A%20of%20%5Cfrac%7B1%7D%7B2%7D%20%20ln%282x%20%7B%5E%7B2%7D%20%29%20" id="T
In-s [12.5K]

Using properties of the logarithm, you can rearrange the integrand as

\dfrac12\ln(2x^2)=\dfrac{\ln2+\ln x^2}2=\dfrac{\ln2+2\ln x}2=\ln\sqrt2+\ln x

Then recall that the integral of \ln x is

\displaystyle\int\ln x\,\mathrm dx=x(\ln x-1)+C

(or you can find that out by integrating by parts) and so

\displaystyle\int\frac12\ln(2x^2)\,\mathrm dx=(\ln\sqrt2)x+x(\ln x-1)+C

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yarga [219]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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