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gulaghasi [49]
1 year ago
14

Would you use SIN,COS, or TAN? and solve

Mathematics
1 answer:
Sauron [17]1 year ago
6 0

\rm sin\theta = \frac{10}{x} \ , cos \theta = \frac{\sqrt{10^2-x^2}}{x} ,\ \rm tan \theta =\frac{10}{\sqrt{10^2-x^2}} are the obtained values.

<h3 /><h3>What is trigonometry?</h3>

Trigonometry deals with the relationship between the sides and angles of a right-angle triangle.

From ΔABC it is obtained that;

From the pythogorous theorem;

h²=p²+b²

x²=10²+b²

b=√(10²-x²)

h=x

p=10

\rm sin \theta =\frac{p}{h} \\\\ sin\theta = \frac{10}{x}

\rm cos \theta =\frac{b}{h} \\\\ cos \theta = \frac{\sqrt{10^2-x^2}}{x}

\rm tan \theta = \frac{p}{b} \\\\  tan \theta =\frac{10}{\sqrt{10^2-x^2}}

Hence for the given triangle, the sinΘ,cosΘ, and tanΘ value is obtained above.

To learn more about trigonometry, refer to the link brainly.com/question/26719838

#SPJ1

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Please help explanation if possible
posledela

Answer:

y =3x - 5

Step-by-step explanation:

Well one of the way to do this question is the formula given below your question, but for me, i rather do it this way

OK they gave u y=3x - 12

And they say another line is parallel, once u see the word parallel means they have the same angle, same slope, same gradient ( sorry if I give u the wrong terms, since I learn mine in Malay)

So first u got to understand the slope-intercept form

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c is the y - intercept, as in, if u draw a graph, the y-coordinate where your line touches the y-axis (the vertical line)

So since the say the both lines are parallel, so both of their "m" is the same that is 3. Why? Cuz just compare

y = mx + c

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Therefore the m is 3

Therefore u alredy got your first value, so put it in your slope intercept form

y = mx + c

y = 3x + c

Now how to find c? Very easy, just put in the value of y and x from the coordinate ( that the line youre finding is on) they gave u, just put the value in

They gave u

(1, - 2)

So when x = 1, y = - 2

Therefore put it in

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