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Gekata [30.6K]
2 years ago
5

What angles could we find sine and cosine for using information for π/4 and π/6?

Mathematics
1 answer:
liberstina [14]2 years ago
7 0
Had to do a bit of guesswork to figure out what you're asking here.  If you're given the 2 angles pi/4 and pi/6, you can find any trig function of either angle.

The sine of pi/4 is  1 / sqrt(2); the cosine is the same.

The cosine of pi/6 is sqrt(3) / 2; the sine of pi/6 is 1/2.

If this isn't quite what you were looking for, try paraphrasing your question to make it clearer.
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Give the center, radius, and equation of the circle in the graph.
dexar [7]

Answer:

(x-2)^2+(y+3)^2=4

Step-by-step explanation:

  • A circle's equation consist on the following expression: (x-a)^2+(y-b)^2=r^2, where r is the magnitude of the radio, and (a,b) are the coordenates of the center of the circle.
  • In this case, a=2 and b= - 3, because the circle is centered in (x,y)=(2, - 3).
  • The radio, which is the distance between the center of the radio to any point in its border, equals r=2 (because of the scale of the graphic, in this case two squares of the grid equal 2 units, then r=2).
  • Finally, using the previous information to replace in the equation (x-2)^2+(y+3)^2=4, where the fact that r=2 and 2^2=4 was used.
3 0
3 years ago
A square shaped patio has an area of 256 ft 2 what are the dimensions of the patio
Romashka-Z-Leto [24]

Step-by-step explanation:

√256

it's a 16in x16in patio

all four sides are 16

3 0
3 years ago
Can someone help me with this and show the work :) i’ll mark first person brainlyest
weqwewe [10]

Answer:

its probably is B. I am not sure. I wouldnt trust me though but you can if you want. ._.

5 0
3 years ago
Evaluate the expression below at x = 5. x/35 + 5x^2
kramer

Answer:

876/7

Step-by-step explanation:

Just plug the number 5 into the equation and solve. Remember your Order of Operations (PEMDAS).

4 0
2 years ago
if you subtract 18 from my number and multipy the difference by -3 the result is -51 what is the number
NNADVOKAT [17]

Answer:

35

Step-by-step explanation:

x-18=y

y*-3=-51

y=17

x-18=17

17+18=x

x=35

3 0
3 years ago
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