PC Unit Circle Practice 2

sinθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

 $\tan\left(\theta\right)$  of an angle,  $\theta$ can be expressed as which of the following?

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$  

•  $\frac{\sin\left(\theta\right)}{\cos\left(\theta\right)}$  

•  $\frac{hypotenuse}{adjacent}$  

Tags

CCSS.HSF.TF.A.2

What is the reciprocal of the sine function?

• cosecant

• cosine

• secant

• cotangent

Tags

CCSS.HSF.TF.A.2

Which of the following radian measures is represented by this diagram?

• $-\frac{3\pi}{4}$

• $\frac{6\pi}{5}$

• $-\frac{\pi}{3}$

• $-\frac{7\pi}{4}$

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

Which of the following is closest to the measure of the angle drawn by the green curve?

• 5/6 π
• 5/3 π
• 4/5 π
• 4/3 π

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

sin (π/2)

• √3/2
• √2/2
• 1/2
• 1

Tags

CCSS.HSF.TF.A.2

What radian measure corresponds to the given point?

• π/4

• 3π/2

• 5π/4

• 7π/3

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

Find the exact value of the trig ratio.
 $\cos\left(\frac{5\pi}{3}\right)$   

•  $-\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{1}{2}$ 

•  $-\frac{\sqrt{3}}{2}$  

Tags

CCSS.HSF.TF.A.2