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Core Connections Integrated III, 2015

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Core Connections Integrated III, 2015 View details

1. Section 9.1

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Exercise 32 Page 443

The solution to an equation is the value of x where the two sides are equal.

x=2 and x=1.1187

Practice makes perfect

The solution to an equation is the values of x where the left-hand side and right-hand side are equal. From the exercise, we know that the equation intersects at two points

(2,0) and (1.1187, - 3.075) If we substitute these points x-values into the equation, the two sides will equal the point's y-value. Therefore, the equation's solutions are x=2 and x≈ 1.1187.

Subchapter links

9.1.1 Introduction to Periodic Models p.433-434

9.1.2 Graphing the Sine Function p.438-440

9.1.3 Unit Circle ↔ Graph p.442-444

9.1.4 Graphing and Interpreting the Cosine Function p.447-449

9.1.5 Defining a Radian p.452-453

9.1.6 Building a Unit Circle p.456-457

9.1.7 The Tangent Function p.460-461