6.2 Trigonometric Functions: Unit Circle Approach/43: Difference between revisions

Revision as of 17:15, 26 August 2022

$\ 2sec({\circ }{\frac {\pi }{4}})-\cos(45^{\circ })={\frac {1}{2}}-{\frac {\sqrt {2}}{2}}={\frac {1-{\sqrt {2}}}{2}}$

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 <math>
-\ 2sec(30^{\circ}\frac{\pi}{4})-\cos(45^{\circ}) = \frac{1}{2} - \frac{\sqrt{2}}{2} = \frac{1-\sqrt{2}}{2}
+\ 2sec({\circ}\frac{\pi}{4})-\cos(45^{\circ}) = \frac{1}{2} - \frac{\sqrt{2}}{2} = \frac{1-\sqrt{2}}{2}
 </math>