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Serjik [45]
3 years ago
11

Lets have some fun: I had $50 dollars My mom gave me $100 dollars Then my dad gave me another $200 My sister chipped in with $75

But my brother gave me $50 My son said, mom I'll give you $150 while my daughter gave me $180 dollars I had another $85 dollars How much did I have???
Mathematics
1 answer:
Marat540 [252]3 years ago
7 0
You have 890 dollars
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The solutions to 1 - cos(x) = 2 - 2sin²(x) from (-π, π) are (-π/3, 0.5) and (π/3, 0.5)

<h3>How to solve the trigonometric equations?</h3>

<u>Equation 1: 1 - cos(x) = 2 - 2sin²(x) from (-π, π)</u>

The equation can be split as follows:

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y = 2 - 2sin²(x)

Next, we plot the graph of the above equations (see graph 1)

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The equation can be split as follows:

y = 4cos⁴(x) - 5cos²(x) + 1

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Next, we plot the graph of the above equations (see graph 2)

Under the domain interval [0, 2π), the curves of the equations intersect at:

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Read more about trigonometry equations at:

brainly.com/question/8120556

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