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Goshia [24]
3 years ago
6

Please help with 1-9 or as many as you can..

Mathematics
1 answer:
natulia [17]3 years ago
4 0

Answer:

1. 336

2. 162

3. 130

4. 93.5

5. 108

6. x = 2

7. x = 2

8. x = 4

9. h = 10

Step-by-step explanation:

Hope this helped, sorry if any are wrong

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Answer:

Step-by-step explanation:

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Hi there! In this problem, you should have the knowledge of three basic Trigonometric Ratio.

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  • cosA = adjacent/hypotenuse
  • tanA = opposite/adjacent

Now that we know three basic ratio. Let's check each choices!

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This choice is wrong because we focus on the 50° angle. When we focus on 50°, sin50° should be d/x and not d/c.

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This choice is also wrong because in ratio, it's cos50° that adjacent/hypotenuse.

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This choice is correct! As ratio states, tanA = opposite/adjacent.

  • tan50° = x/c

This choice is wrong. x/c is a reciprocal of cosine which is 1/cos. We call the reciprocal of cosine as secant or sec in short.

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Answer

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  • cos50° = c/x

Questions can be asked through comment.

Furthermore, tan also has its reciprocal form itself which is called cotangent also known as cot in short.

Hope this helps, and Happy Learning! :)

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\

Step-by-step explanation:

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Answer:

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