Trigonometry Examples

$\frac{\sin (90) x}{\sin (90)}$

Step 1

Write $\frac{\sin (90) x}{\sin (90)}$ as an equation.

$y = \frac{\sin (90) x}{\sin (90)}$

Step 2

Cancel the common factor of $\sin (90)$ .

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Step 2.1

Cancel the common factor.

$y = \frac{\sin (90) x}{\sin (90)}$

Step 2.2

Divide $x$ by $1$ .

$y = x$

Step 3

A linear equation is an equation of a straight line, which means that the degree of a linear equation must be $0$ or $1$ for each of its variables. In this case, the degree of variable $y$ is $1$ and the degree of variable $x$ is $1$ .

Linear