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Romashka-Z-Leto [24]
2 years ago
8

I need help please for trigonometry finding ratios

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
6 0
Sin x = opp/hyp
cos x = adj/hyp
tan x = opp/adj

sin A = 40/50 = 4/5
cos A = 30/50 = 3/5
tan A = 40/30 = 4/3

sin C = 30/50 = 3/5
cos C = 40/50 = 4/5
tan C = 30/40 = 3/4
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Read 2 more answers
Please help, I’ll mark your answer as brainliest!
statuscvo [17]

Answer:

(x-230)^2+(y-220)^2=6100

Step-by-step explanation:

The equation for a circle is (x-h)^2+(y-k)^2=r^2, where (h,k) is the vertex of the circle and r is the radius. Immediately, since the center of the circle is given, we know what h and k are. h is 230 and k is 220.

The only thing we need to find is the radius, which will just be the distance from the center (230,220) to a point on the circumference (170,170). The distance between them can be calculated using the <u>distance formula</u>, which is really just the <u>Pythagorean Theorem</u> rearranged. The formula states that d=\sqrt{x^2+y^2}, where x is the change in the x-coordinates of the two points and y is the change in the y-coordinates of the two points. Plug-in x for 60 and y for 50 to get d=\sqrt{50^2+60^2}. Solve for d, arriving at \sqrt{6100}. Therefore, the radius of the circle is \sqrt{6100}.

Finally, we have all of the components to create the equation of the circle. Plug-in 230 for h, 220 for k, and \sqrt{6100} for r.

The equation of the circle will be (x-230)^2+(y-220)^2=6100.

Hope this helps :)

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2 years ago
Determine if the numbers are parallel, perpendicular or netiher.
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Answer:

Parallel :)

Step-by-step explanation:

thats the tea sis.

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