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Deriving the value of secant

What is the exact value of Sec30° using unit circle?

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

$\frac{1}{\sqrt{3}}$

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

What is the exact value of Sec210° using unit circle?

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

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

$-\frac{1}{2}$

What is the exact value of Sec225° using unit circle?

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

$-\sqrt{2}$

$\frac{1}{2}$

What is the exact value of Sec60° using unit circle?

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

2 $\frac{1}{2}$

What is the exact value of Sec330° using unit circle?

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

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

$-\frac{1}{2}$

What is the exact value of Sec300° using unit circle?

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

$\frac{1}{2}$

What is the exact value of Sec45° using unit circle?

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

$\sqrt{2}$

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

What is the exact value of Sec 135° using unit circle?

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

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

$-\sqrt{2}$

What is the exact value of Sec 150° using unit circle?

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

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

$\frac{1}{2}$

What is the exact value of Sec240° using unit circle?

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

$-\frac{1}{2}$

$-2$

Questions

Time

Score

Deriving the value of secant

What is the exact value of Sec30° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿13\frac{1}{\sqrt{3}}3​1​﻿

﻿23\frac{2}{\sqrt{3}}3​2​﻿

What is the exact value of Sec210° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿−23\frac{-2}{\sqrt{3}}3​−2​﻿

﻿−12-\frac{1}{2}−21​﻿

What is the exact value of Sec225° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿﻿−2-\sqrt{2}−2​﻿

﻿12\frac{1}{2}21​﻿

What is the exact value of Sec60° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

2

﻿12\frac{1}{2}21​﻿

What is the exact value of Sec330° using unit circle?

﻿23\frac{2}{\sqrt{3}}3​2​﻿

﻿32\frac{\sqrt{3}}{2}23​​﻿

﻿−12-\frac{1}{2}−21​﻿

What is the exact value of Sec300° using unit circle?

2

﻿32\frac{\sqrt{3}}{2}23​​﻿

﻿12\frac{1}{2}21​﻿

What is the exact value of Sec45° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿2\sqrt{2}2​﻿

﻿12\frac{1}{\sqrt{2}}2​1​﻿

What is the exact value of Sec 135° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿−12\frac{-1}{\sqrt{2}}2​−1​﻿

﻿−2-\sqrt{2}−2​﻿

What is the exact value of Sec 150° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿−23-\frac{2}{\sqrt{3}}−3​2​﻿

﻿12\frac{1}{2}21​﻿

What is the exact value of Sec240° using unit circle?

﻿−32-\frac{\sqrt{3}}{2}−23​​﻿

﻿−12-\frac{1}{2}−21​﻿

﻿−2-2−2﻿

Incorrect

Great!

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

$\frac{1}{\sqrt{3}}$

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

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

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

$-\frac{1}{2}$

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

$-\sqrt{2}$

$\frac{1}{2}$

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

$\frac{1}{2}$

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

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

$-\frac{1}{2}$

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

$\frac{1}{2}$

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

$\sqrt{2}$

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

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

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

$-\sqrt{2}$

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

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

$\frac{1}{2}$

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

$-\frac{1}{2}$

$-2$