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Questions

1 / 10

Time

Score

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

Consider the triangle below. What is the value of cos θ?

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

$\sqrt{2}$

$\frac{1}{2}$

Consider the triangle below. What is the value of cos θ?

$\frac{1}{5}$

$\frac{4}{5}$

$\frac{3}{5}$

Consider the triangle below. What is the value of cos θ?

$\sqrt{2}$

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

$\frac{1}{2}$

Consider the triangle below. What is the value of cos θ?

$\frac{1}{2}$

1

2 Consider the triangle below. What is the value of cos θ?

$\frac{1}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

Consider the triangle below. What is the value of cos θ?

$\frac{1}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

Consider the triangle below. What is the value of cos θ?

$\frac{4}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

Consider the triangle below. What is the value of cos θ?

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

$\sqrt{3}$

0 Consider the triangle below. What is the value of cos θ?

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

$\sqrt{2}$

$\frac{1}{2}$

Consider the triangle below. What is the value of cos θ?

$\frac{\sqrt{10}}{10}$

$\sqrt{10}$

$\frac{1}{10}$

Questions

Time

Score

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

Consider the triangle below. What is the value of cos θ?

﻿22\frac{\sqrt{2}}{2}22​​﻿

﻿2\sqrt{2}2​﻿

﻿12\frac{1}{2}21​﻿

Consider the triangle below. What is the value of cos θ?

﻿15\frac{1}{5}51​﻿

﻿45\frac{4}{5}54​﻿

﻿35\frac{3}{5}53​﻿

Consider the triangle below. What is the value of cos θ?

﻿2\sqrt{2}2​﻿

﻿22\frac{\sqrt{2}}{2}22​​﻿

﻿12\frac{1}{2}21​﻿

Consider the triangle below. What is the value of cos θ?

﻿12\frac{1}{2}21​﻿

1

2

Consider the triangle below. What is the value of cos θ?

﻿15\frac{1}{5}51​﻿

﻿25\frac{2}{5}52​﻿

﻿35\frac{3}{5}53​﻿

Consider the triangle below. What is the value of cos θ?

﻿15\frac{1}{5}51​﻿

﻿25\frac{2}{5}52​﻿

﻿35\frac{3}{5}53​﻿

Consider the triangle below. What is the value of cos θ?

﻿45\frac{4}{5}54​﻿

﻿25\frac{2}{5}52​﻿

﻿35\frac{3}{5}53​﻿

Consider the triangle below. What is the value of cos θ?

﻿32\frac{\sqrt{3}}{2}23​​﻿

﻿3\sqrt{3}3​﻿

0

Consider the triangle below. What is the value of cos θ?

﻿22\frac{\sqrt{2}}{2}22​​﻿

﻿2\sqrt{2}2​﻿

﻿12\frac{1}{2}21​﻿

Consider the triangle below. What is the value of cos θ?

﻿1010\frac{\sqrt{10}}{10}1010​​﻿

﻿10\sqrt{10}10​﻿

﻿110\frac{1}{10}101​﻿

Incorrect

Great!

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

$\sqrt{2}$

$\frac{1}{2}$

$\frac{1}{5}$

$\frac{4}{5}$

$\frac{3}{5}$

$\sqrt{2}$

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

$\frac{1}{2}$

$\frac{1}{2}$

$\frac{1}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

$\frac{1}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

$\frac{4}{5}$

$\frac{2}{5}$

$\frac{3}{5}$

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

$\sqrt{3}$

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

$\sqrt{2}$

$\frac{1}{2}$

$\frac{\sqrt{10}}{10}$

$\sqrt{10}$

$\frac{1}{10}$