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Questions

1 / 10

Time

Score

Understand That For Any Angle θ On The Unit Circle With Points (x,y), □sin sin θ =y

Let the point (√3/2,1/2 ) lies on the unit circle. Find value of θ

40⁰

30⁰

20⁰

Let the point (1,0) lies on the unit circle. Find value of sin θ

0

1

2

Let the point (√3/2,1/2 ) lies on the unit circle. Find value of sin θ

1/2

1

2

Let the point (1/√2 , 1/√2 ) lies on the unit circle. Find value of θ

40⁰

50⁰

45⁰

Let the point (1/2 , √3/2) lies on the unit circle. Find value of sin θ

$\frac{1}{2}$

$\frac{-2}{\sqrt{3}}$

$\frac{\sqrt{3}}{2}$

Let the point (1,0) lies on the unit circle. Find value of θ

0⁰

10⁰

20⁰

Let the point (1/2 , √3/2) lies on the unit circle. Find value of θ

60⁰

70⁰

80⁰

Let the point $\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$ lies on the unit circle. Find value of θ

240⁰

150⁰

200⁰

Let the point (1/√2 , 1/√2 ) lies on the unit circle. Find value of sin θ

$\frac{1}{\sqrt{2}}$

1

2

Let the point $\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$ lies on the unit circle. Find value of sin θ

$-\frac{\sqrt{3}}{2}$

$\frac{\sqrt{3}}{2}$

$\frac{1}{\sqrt{2}}$

Questions

Time

Score

Understand That For Any Angle θ On The Unit Circle With Points (x,y), □sin sin θ =y

Let the point (√3/2,1/2 ) lies on the unit circle. Find value of θ

400

300

200

Let the point (1,0) lies on the unit circle. Find value of sin θ

0

1

2

Let the point (√3/2,1/2 ) lies on the unit circle. Find value of sin θ

1/2

1

2

Let the point (1/√2 , 1/√2 ) lies on the unit circle. Find value of θ

400

500

450﻿

Let the point (1/2 , √3/2) lies on the unit circle. Find value of sin θ

﻿12\frac{1}{2}21​﻿

﻿−23\frac{-2}{\sqrt{3}}3​−2​﻿

﻿32\frac{\sqrt{3}}{2}23​​﻿

Let the point (1,0) lies on the unit circle. Find value of θ

00

100

200

Let the point (1/2 , √3/2) lies on the unit circle. Find value of θ

600

700

800

Let the point﻿(−12,−32)\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)(−21​,−23​​)﻿ lies on the unit circle. Find value of θ

2400

1500

2000

Let the point (1/√2 , 1/√2 ) lies on the unit circle. Find value of sin θ

﻿12\frac{1}{\sqrt{2}}2​1​﻿

1

2

Let the point ﻿(−12,−32)\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)(−21​,−23​​)﻿ lies on the unit circle. Find value of sin θ

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿32\frac{\sqrt{3}}{2}23​​﻿

﻿12\frac{1}{\sqrt{2}}2​1​﻿

Incorrect

Great!

40⁰

30⁰

20⁰

40⁰

50⁰

45⁰

$\frac{1}{2}$

$\frac{-2}{\sqrt{3}}$

$\frac{\sqrt{3}}{2}$

0⁰

10⁰

20⁰

60⁰

70⁰

80⁰

Let the point $\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$ lies on the unit circle. Find value of θ

240⁰

150⁰

200⁰

$\frac{1}{\sqrt{2}}$

Let the point $\left(-\frac{1}{2},-\frac{\sqrt{3}}{2}\right)$ lies on the unit circle. Find value of sin θ

$-\frac{\sqrt{3}}{2}$

$\frac{\sqrt{3}}{2}$

$\frac{1}{\sqrt{2}}$