6.2 Trigonometric Functions: Unit Circle Approach/32: Difference between revisions

Revision as of 22:14, 25 August 2022

$\sin(30^{\circ })-\cos(45^{\circ })={\frac {1}{2}}-{\frac {\sqrt {2}}{2}}={\frac {1-{\sqrt {2}}}{2}}$

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 <math>
-\sin(30^{\circ})-\cos(45^{\circ}) = \frac{1}{2} - \frac{\sqrt{2}}{2} =
+\sin(30^{\circ})-\cos(45^{\circ}) = \frac{1}{2} - \frac{\sqrt{2}}{2} = \frac{1-\sqrt{2}}{2}
 </math>