Question

Find each angle in radians without using a calculator need some help with it, thanks!

Answer 1

`\begin{gathered} (\pi)/(4)radians\text{ is a special angle such Tan}(\pi)/(4)radians\text{ =1} \\ so\text{ }\theta\text{ is equal to }\frac{\pi}{4\text{ }}radians \end{gathered}`