given unit circle find trig values

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

Tags

CCSS.HSF.TF.A.4

Find cos(600°)

• (-1/2)

• (-√3/2)

• (√3/2)

• (√2/2)

Tags

CCSS.HSF.TF.A.4

sin (π/2)

• √3/2
• √2/2
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

If $\sin\theta=\frac{1}{2}$  , what would be all the answers on the unit circle?

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

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

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

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

Tags

CCSS.HSF.TF.B.7