Find an Equivalent Equation in Rectangular Coordinates $$\mathbf { r } = \cos \theta$$

question 157

Multiple Choice

Find an equivalent equation in rectangular coordinates.
- $$\mathbf { r } = \cos \theta$$

• A) \(x ^ { 2 } + y ^ { 2 } = x\)
• B) \(( x + y ) ^ { 2 } = y\)
• C) \(( x + y ) ^ { 2 } = x\)
• D) \(x ^ { 2 } + y ^ { 2 } = y\)

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Definitions:

Empirical Rule

A statistical rule stating that for a normal distribution, nearly all data falls within three standard deviations of the mean.

Bell-Shaped Distribution

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A technology company founded by Steve Jobs in 1985, known for its innovative computers and software development until it was acquired by Apple Inc. in 1996.