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vovangra [49]
3 years ago
11

Find the value of x and y please

Mathematics
2 answers:
Oksanka [162]3 years ago
8 0

Answer:

x = 7( \sqrt{2}  +  \sqrt{6} ) \\ y = 14 \sqrt{3}

Elden [556K]3 years ago
3 0

Answer:

The answer to your question is  x = 7\sqrt{2}  and y = 14\sqrt{3}

Step-by-step explanation:

To find x and y use trigonometric functions

- Find x

To find x use the trigonometric function cosine

       cosine Ф = adjacent side/hypotenuse

- Solve for adjacent side (x)

       x = hypotenuse x cos Ф      

- Substitution

      x = 14\sqrt{2} cos 60

Simplification

      x = 14\sqrt{2} (0.5)

      x = 7\sqrt{2}

- Find y

-Find the length of the opposite side of the small triangle

 Opposite side = sine Ф x hypotenuse

 Opposite side = 14\sqrt{2} x sin 60

Opposte side = 14\sqrt{2} (\sqrt{3}/2)

Opposite side = 7\sqrt{6}

- Find the length of y

 y = Opposite side/sin Ф    

 y = 7\sqrt{6} / \sqrt{2} /2

 y = 14\sqrt{3}

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What is the sign of the product (−4)(2)(−3)(6)?
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Answer:

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~

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