6.2 Trigonometric Functions: Unit Circle Approach/33

$\sin {90^{\circ }}+\tan {45^{\circ }}=1+{\frac {\frac {\sqrt {2}}{2}}{\frac {\sqrt {2}}{2}}}$
$\cdot {2}$ =1+\frac{\sqrt{2}}{\sqrt{2}}\cdot \sqrt{2}=1+1=2

</math>