Use a graph to solve \csc x = \sqrt 2 on the interval [-2 \pi, 2 \pi].

Question:

Use a graph to solve

{eq}\csc x = \sqrt 2 {/eq} on the interval {eq}[-2 \pi, 2 \pi]. {/eq}

Trigonometric Equation Solving:

The solutions of a trigonometric equation

{eq}f(x) = k {/eq}

can be obtained by looking for the intersection points of the graphs of the function

{eq}y=f(x) \\ y=k. {/eq}

Answer and Explanation:

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Solving a Trigonometric Equation Graphically

from Precalculus: High School

Chapter 17 / Lesson 6
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