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adell [148]
3 years ago
11

1. Find the value of

Mathematics
1 answer:
spin [16.1K]3 years ago
8 0

9514 1404 393

Answer:

  1. -√5
  2. 3/5
  3. -4/5

Step-by-step explanation:

The relevant relations are ...

  sec = ±√(tan² +1)

  cos = 1/sec

  csc = 1/sin = ±1/√(1 -cos²)

Sine and Cosecant are positive in quadrants I and II. Cosine and Secant are positive in quadrants I and IV.

__

1. sec(θ) = -√((-2)² +1) = -√5

2. cos(θ) = 1/sec(θ) = 1/(5/3) = 3/5

3. csc(θ) = -1/√(1 -(-3/5)²) = -√(16/25) = -4/5

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The correct statement comparing the theoretical and experimental probabilities is given as follows:

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<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

The theoretical probability is taken before any experiment. Since the four sections are equal, the theoretical probability is:

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The experimental probability is taken considering previous experiments. Out of 100 tosses, 28 landed on H, hence:

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Hence the correct statement is:

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More can be learned about probabilities at brainly.com/question/14398287

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