Use Substitution to Determine Whether the Given X-Value Is a Solution

question 78

Multiple Choice

Use substitution to determine whether the given x-value is a solution of the equation.
Find All Solutions of a Trigonometric Equation
- $\tan x \sec x = - 2 \tan x$

• A) \(x = \frac { 2 \pi } { 3 } + 2 n \pi\) or \(x = \frac { 4 \pi } { 3 } + 2 n \pi\) or \(x = n \pi\)
• B) \(x = \frac { 2 \pi } { 3 } + n \pi\) or \(x = \frac { 4 \pi } { 3 } + n \pi\) or \(x = n \pi\)
• C) \(x = \frac { \pi } { 3 } + 2 n \pi\) or \(x = \frac { 5 \pi } { 3 } + 2 n \pi\) or \(x = n \pi\)
• D) \(x = \frac { \pi } { 3 } + n \pi\) or \(x = \frac { 5 \pi } { 3 } + n \pi\) or \(x = n \pi\)

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