(Basic) Trigonometric Equations

(Basic) Trigonometric Equations
The link to this series of videos is here.

And now the specifics…

$\rhd$ Video 1: Solving sinusoidal equations of the form $\sin(x) = d$ . (6:10) Sal finds the expressions that together give all solutions to the equation $\sin(x) = \dfrac{1}{3}$ .
$\rhd$ Video 2: Solving $\cos(\theta) = 1$ and $\cos(\theta) = -1$ using the graph of $\cos(x)$ . (5:18)
$\star$ Practice: Solve equations like $\sin(x) = d$ or $\cos(x) = d$ where $d$ is any number. (4 problems)
$\star$ Practice: Solve equations of the type $a \cdot\sin(bx+c) = d$ or $a \cdot \cos(bx+c) = d$ . (4 problems)

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The OpenLab at City Tech:A place to learn, work, and share

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Creative Commons