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• Class, we are going to be doing some exam review today!
• Okay, when are algebraic expressions equivalent?
• Algebraic expression are equivalent if, the most simplified form of both functions are the same and the graphs are exactly the same.
• Next question, what is the first step in factoring.
• The first step is always to find the greatest common factor.
• Great job! Let's do exponent rules next. What is the rule when you divide a power by a power?
• First, the base must be the same. If they are you subtract the denominators exponent from the numerators.
• Perfect, just a reminder to never divide the bases. Okay so next, who can tell me what the tangent identity is?
• It's tan θ equals sin θ over cos θ.
• Final question. How do you find the k value for a sine or cos function?
• To find the k value, you divide 360 by the period of the function.
• The End
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