Trigonometry Examples

$\frac{1 + \sin (x)}{\cos (x)} + \frac{\cos (x)}{1 + \sin (x)} = 2 \sec (x)$

Step 1

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, there are no variables in the equation.

Linear