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Trigonometry Examples
,
Step 1
The exact value of is .
Step 2
The inequality is never true.
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Step 3
Step 3.1
The exact value of is .
Step 3.2
The leading term in a polynomial is the term with the highest degree.
Step 3.3
The leading coefficient in a polynomial is the coefficient of the leading term.
Step 4
Since there are no real x-intercepts and the leading coefficient is positive, the parabola opens up and is always greater than .
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