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kaheart [24]
2 years ago
7

Will give crown thanks

Mathematics
2 answers:
Tatiana [17]2 years ago
8 0

Answer:

A is right

B is acute

C is obtuse

D is right

Step-by-step explanation:

90 is right

anything under 90 is acute

over 90 obtuse

Anuta_ua [19.1K]2 years ago
3 0

Answer:

∠A: Right Angle.

∠B: Acute Angle.

∠C: Obtuse Angle.

∠D: Right Angle.

<u>I hope this helped you </u>

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I need help on this question plz
densk [106]
(12,-6) (4,-2)

4/12= 1/3
-2/-6= 1/3

the scale factor is 1/3







6 0
2 years ago
Anyone know how to do trig? Given tan Ф = 4/5, find all other trig functions.
mars1129 [50]

9514 1404 393

Answer:

  • sin(Ф) = (4/41)√41; csc(Ф) = (√41)/4
  • cos(Ф) = (5/41)√41; sec(Ф) = (√41)/5
  • tan(Ф) = 4/5; cot(Ф) = 5/4

Step-by-step explanation:

The mnemonic SOH CAH TOA can help you with three of the functions. Then you need to remember the relations between those and the other three.

  Tan = Opposite/Adjacent

  tan(Ф) = 4/5

This suggests you can draw a triangle like the one attached that has adjacent side 5 and opposite side 4. Then hypotenuse can be found from the Pythagorean theorem:

  AC² = AB² +BC² = 5² +4² = 41

  AC = √41 . . . . . hypotenuse

Then the other trig functions are ...

  Sin = Opposite/Hypotenuse

  sin(Ф) = 4/√41 = (4/41)√41

  Cos = Adjacent/Hypotenuse

  cos(Ф) = 5/√41 = (5/41)√41

And the reciprocal functions are ...

  csc(Ф) = 1/sin(Ф) = (√41)/4

  sec(Ф) = 1/cos(Ф) = (√41)/5

  cot(Ф) = 1/tan(Ф) = 5/4

7 0
3 years ago
Can someone answer this for me?
Tresset [83]

Answer:

the answer is B

Step-by-step explanation:

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plz mark me as brilliant answer

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