Trigonometry & Inverse Trigonometry
Inverse Trigonometric Functions
Grade 11
Question:
<p>The complete set of values of <i>x</i> satisfying the inequality <i>sin</i><sup>-1</sup>(<i>sin</i> 5) > <i>x</i><sup>2</sup> - 4<i>x</i> is <br/>( 2 - √(1 - 2π), 2 + √(1 - 2π) ), then <i>l</i> =</p>
Step-by-Step Solution
Key Concept: Evaluate the inverse sine function and solve the quadratic inequality.
<p>Answer: 9</p>
Correct Answer: 9