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KiRa [710]
3 years ago
13

Find tangent line at x=\pi , given: y=3sin^(2 )((x)/(2))

Mathematics
1 answer:
Luba_88 [7]3 years ago
5 0
The slope of the tangent line to y=3\sin^2\dfrac x2 is

y'(x)=3\sin\dfrac x2\cos\dfrac x2=\dfrac32\sin x\implies y'(\pi)=0

which means the tangent line at this point is horizontal.

Because the tangent line passes through

y(\pi)=3\sin^2\dfrac\pi2=3

the tangent line has equation y=3.
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Answer:

Circle 1=6x+2y

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Circle 4 = 5x

Step-by-step explanation:

4x+3y and 2x-y can be added to find result for the circle.

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4x+3y+2x-y=C1\\

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4x+2x+3y-y=C1

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QveST [7]

Answer: (6\sqrt{5})i

This is the same as saying 6i\sqrt{5}

====================================================

Work Shown:

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where i = \sqrt{-1}

As the steps show above, the idea is to factor the radicand into smaller pieces where one of those pieces is the largest perfect square possible. In this case, 36 is the largest factor of 180 that's a perfect square. Then I used the rule \sqrt{A*B} = \sqrt{A}*\sqrt{B} to break up the root.

The parenthesis used at the very end is to help separate the 6\sqrt{5} from the i term. The "i" is not under the square root.

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I hope this is right.
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