# **Exercise Questions** All questions in this exercise are listed below. Click on a question to view its solution. --- --- # **Key Concepts** This exercise focuses on the following concepts: - **Graphical Solutions:** Finding the roots of an equation by identifying where two functions intersect on a coordinate plane. - **Trigonometric Functions:** Understanding the periodic behavior and wave patterns of sine, cosine, and tangent functions. - **Points of Intersection:** Determining the $x$-values where $f(x) = g(x)$ visually. --- # **Important Formulas** Below are the key formulas used in this exercise: | Function Type | Standard Form | | :--- | :--- | | Sine Function | $y = \sin(x)$ | | Cosine Function | $y = \cos(x)$ | | Tangent Function | $y = \tan(x)$ | | Intersection Method | $f(x) = g(x)$ | --- # **Summary** This exercise focuses on solving trigonometric equations using graphical methods. The primary strategy involves plotting the trigonometric functions involved and identifying their intersection points within a specified domain. This approach provides a visual understanding of the number of solutions and their approximate values based on the periodicity of the functions.