Trigonometry Examples

$\sec (\frac{7 π}{4}) (2 \cos (\frac{7 π}{4}) - \sqrt{2}) = 0$

Step 1

The left side $0$ is equal to the right side $0$ , which means that the given statement is always true.

True

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$