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Nikitich [7]
3 years ago
13

Freeeeeeeeeeeeeeeeeeeeeee points :)

Mathematics
1 answer:
Tpy6a [65]3 years ago
6 0

Answer: Thank  You I do not need points but thanks

Step-by-step explanation:

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1+cos2A/cos2A = tan2A/tanA prove LHS=RHS
son4ous [18]
RTP: \frac{1 + cos(2A)}{cos(2A)} = \frac{tan(2A)}{tan(A)}

LHS = \frac{1 + cos(2A)}{cos(2A)}
= \frac{1 + \frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}{\frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}
= \frac{\frac{1 + tan^{2}(A) + 1 - tan^{2}(A)}{1 + tan^{2}(A)}}{\frac{1 - tan^{2}(A)}{1 + tan^{2}(A)}}
= \frac{2}{1 - tan^{2}(A)}
= \frac{2}{1 - tan^{2}(A)} \cdot \frac{tan(A)}{tan(A)}
= \frac{\frac{2tan(A)}{1 - tan^{2}(A)}}{tan(A)}
= \frac{tan(2A)}{tan(A)}
= RHS, as required.
3 0
4 years ago
Find the equation of the straight line passing through the points (4; 2) and (2; 4).
Alecsey [184]
Use point-slope form.

But first let's find the slope.

(4, 2), (2, 4)

m = y2-y1/x2-x1

m = (4 - 2)/(2 - 4)

m = 2/-2

m = -1

So this is the slope, now we can plug this into the equation along with any point.

y - y1 = m(x - x1)

Where y1 is the y-value of the point, x1 is the x-value, and 'm' is the slope.

Let's plug in point (4, 2):

y - 2 = -1(x - 4)

This can be one of your options.

Distribute -1:

y - 2 = -x + 4

Add 2 to both sides:

y = -x + 6

This can be another of your options.

Add 'x' to both sides:

x + y = 6

This can be another of your options.
8 0
3 years ago
Read 2 more answers
Someone help me pls I need help
Tom [10]

Answer:

1/3

1/2

1/6

0

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Write a story or real life situation that situation that could be solved with 24 /6
uranmaximum [27]
24/6 is 6 so answer is 6.
4 0
3 years ago
Read 2 more answers
What is the midpoint of the segment shown below?
Snezhnost [94]

The midpoint of the segment shown below is (1, -3/2). Option A) is the correct answer.

<u>Step-by-step explanation</u>:

The two end points of the line segments are (1,2) and (1,-5).

<u>step 1</u> :

Midpoint formula = ((x1 + x2)/2 , (y1 +y 2)/2)

<u>step 2</u> :

(x1, y1) = (1, 2)

(x2, y2) = (1, -5)

<u>step 3</u> :

Substitute the values in the midpoint formula,

Midpoint = ((1 + 1)/2 , (2 -5)/2)

                = ((2/2) , (-3/2))

                = (1, -3/2)

5 0
3 years ago
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