Trigonometric Inequality

Solve trigonometric inequality given by sin x ≥ 1 /

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how to solve trigonometric inequalities?

This video will teach you how to solve trigonometric inequalities. Made for my advanced functions class.
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Trigonometric Inequalities Calculator

Like you did, first solve the equality $\cos 3x = 0$. You cannot always do this exactly, but here we can. We get $$ 3x = \frac {1} {2}\pi + 2 k \pi \quad\vee\quad 3x = \frac {3}
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Basic Trigonometric Inequalities

Many simple inequalities can be solved by adding, subtracting, multiplying or dividing both sides until you are left with the variable on its own. But these things will change direction of the inequality: Multiplying or dividing both sides by a

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