6.2 Trigonometric Functions: Unit Circle Approach/101: Difference between revisions

Revision as of 17:45, 11 September 2022

$f(\theta )=\sin(\theta )$

$\theta =60^{\circ }$

$f(2\theta )$

$f(2\theta )=f(2\cdot 60^{\circ })=f(120^{\circ })=sin(120^{\circ })={\frac {\sqrt {3}}{2}}$

sin(120^\circ)= \frac{\sqrt{3}}{2}

@@ Line 12: / Line 12: @@
 <math>
-f(2\theta)= f(2\cdot 60^\circ)=f(120^\circ
+f(2\theta)= f(2\cdot 60^\circ)=f(120^\circ)=sin(120^\circ)= \frac{\sqrt{3}}{2}
 </math>
 sin(120^\circ)= \frac{\sqrt{3}}{2}