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Andrei [34K]
3 years ago
14

If p(x,y) is the point on the unit circle defined by real number theta, then tan theta= _____.

Mathematics
2 answers:
lions [1.4K]3 years ago
7 0

Answer:

Option B is correct.    

Step-by-step explanation:

We have been given a point  on unit circle  defined by real number theta.

So, tan theta is the given by:tan\theta=\frac{y}{x}

Equation of unit circle is x^2+y^2=1

Where 1 is the radius.

Therefore, Option B is correct that is tan\theta=\frac{y}{x}

LiRa [457]3 years ago
5 0
B. y/x 

Is the correct answer. (APEX)
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Write a cubic function whose graph goes through the points: (-5, 0) (1, 0) (2, -2) (4, 0)
Free_Kalibri [48]

Answer:

f(x) = \frac{1}{7}(x+5)(x-1)(x-4)

Step-by-step explanation:

Let the equation of the give cubic function is,

f(x) = p(x - a)(x - b)(x - c)

Here, a, b, c and d are the x-intercepts of the given graph.

Since, x-intercepts given in the graph are x = -5, 1 and 4,

Equation of the curve will be,

f(x) = p(x + 5)(x - 1)(x - 4)

Since, the graph of this function passes through (2, -2) also

-2 = p(2 + 5)(2 - 1)(2 - 4)

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p = \frac{2}{14}

p = \frac{1}{7}

Therefore, equation will be,

f(x) = \frac{1}{7}(x+5)(x-1)(x-4)

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3 years ago
Which is an equation in slope intercept form of the line that contains the points (7,-9) and (8,-7)
jeyben [28]

Answer:

y=2x-23

Step-by-step explanation:

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7 0
3 years ago
PLEASE HELP ME I DONT UNDERSTAND
drek231 [11]

Answer:

\frac{v}{-9} < -18 or v ÷ -9 < -18

Step-by-step explanation:

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3 years ago
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Therefore, there were 13 boys present.

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6 0
2 years ago
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hoa [83]

Answer:

63° (same as Z)

Step-by-step explanation:

The question indicates that ΔXYZ is similar to ΔEDF.

By definition, when we indicate that triangle XYZ is similar to the triangle EDF, the order of the letters is important and match the congruent angles.

So, ∠X = ∠E, ∠Y = ∠D and ∠Z = ∠F

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But according to the naming convention: ∠Z = ∠F

Since ∠Z = 63°, ∠F = 63°

7 0
3 years ago
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