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Get Full Access to Precalculus With Trigonometry: Concepts And Applications - 1 Edition - Chapter 5-5 - Problem 9
Get Full Access to Precalculus With Trigonometry: Concepts And Applications - 1 Edition - Chapter 5-5 - Problem 9

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# For 916, transform the sum or difference to a product of sines and/or cosines with

ISBN: 9781559533911 468

## Solution for problem 9 Chapter 5-5

Precalculus with Trigonometry: Concepts and Applications | 1st Edition

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Precalculus with Trigonometry: Concepts and Applications | 1st Edition

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Problem 9

For 916, transform the sum or difference to a product of sines and/or cosines with positive arguments.cos 46 + cos 12

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Lifespan Development Online Lecture Piagets Stage Theory of Cognitive Development  Once child reaches specific ages, they should be ready to learn new or more complex ways of thinking  4 Stages of Development (Very biologically determined) 1. Sensorimotor Stage: Birth-2. Babies rely on sensory and motor skills. Learn mental representation of objects(they know of an objects existence even when out of site a. At around 18 months, they learn object permanence. When a baby hasn’t learned this yet, a parent can put the babies toy under a blanket right in front of them and they wont know what happened to the toy. But at around 18 months, they would understand that the object still exists and is right there under the blanket. 2. Preoperational Stage: 2-7. Language skills develop a lot. Kids will participate in imaginary play. a. They are very egocentric at this age. They don’t think of other kids feelings when they steal a toy b. Arent able to think logically yet. Failure of Conservation: If a child in this stage is placed in front of two cups that are the same size with the same amount of water, they would know that the water is equal. If an adult then poured one of the glasses into a glass that was not as wide, the child would think that the thinner cup has more water, since its not as

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