Quiz: 5.3: Solve trig equations

 $Solve\ for\ \theta\ on\ the\ interval\ \left[0,2\pi\right]:\ \ \sqrt{2}Cos\theta-1=0$  

•  $\frac{\pi}{4},\ \frac{3\pi}{4},\ \frac{5\pi}{4}and\ \frac{7\pi}{4}$  

•  $\frac{3\pi}{4}\ and\ \frac{5\pi}{4}$  

•  $\frac{\pi}{4}and\ \frac{3\pi}{4}$  

•  $\frac{\pi}{4}\ and\ \frac{7\pi}{4}$  

Tags

CCSS.HSF.TF.B.7

 $Solve:\ 2\ Sin^2x\ -5\ Sinx+\ 2=\ 0$  

•  $\frac{4\pi}{3}\ and\ \frac{5\pi}{3}$  

•  $\frac{\pi}{3}\ and\ \frac{2\pi}{3}$  

•  $\frac{7\pi}{6}and\ \frac{11\pi}{6}$  

•  $\frac{\pi}{6\ }\ and\ \frac{5\pi}{6}$  

Tags

CCSS.HSF.TF.B.7

 $Solve:\ 4Cos^2x-3=0$  

•  $\frac{\pi}{3},\ \frac{2\pi}{3},\ \frac{4\pi}{3}and\ \frac{5\pi}{3}$  

•  $\frac{\pi}{6\ },\ \frac{5\pi}{6},\ \frac{7\pi}{6}\ and\ \frac{11\pi}{6}$  

•  $\frac{\pi}{3}and\ \frac{5\pi}{3}$  

•  $\frac{\pi}{6}\ and\ \frac{11\pi}{6}$  

Tags

CCSS.HSF.TF.B.7

 $Solve:\ Sin\ \theta\ +Sin\ \theta\ Cos\ \theta\ =\ 0$  

•  $0\ and\ \pi$  

•  $\frac{\pi}{2}\ and\ \frac{3\pi}{2}$  

•  $\frac{\pi}{2},\ \pi\ and\ \frac{3\pi}{2}$  

•  $\pi$  

Tags

CCSS.HSF.TF.B.7

 $Solve:\ Sin\ \frac{x}{2}-1=0$  

•  $\frac{\pi}{2}$  

• 0

•  $\pi$  

•  $\frac{\pi}{4}$  

Tags

CCSS.HSF.TF.B.7