Unit 11A Lesson 11

Secant is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent

Tags

CCSS.HSF.TF.A.2

Cotangent is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent

Tags

CCSS.HSG.SRT.C.7

Cosecant is the reciprocal of what function?

• Secant
• Sine
• Cosine
• Tangent

Tags

CCSS.HSG.SRT.C.6

Given the  $\cos\left(x\right)=-\frac{2}{3}$   , then the  $\sec\left(x\right)=$  ?

•  $-\frac{2}{3}$  

•  $-\frac{3}{2}$   

•  $\frac{2}{3}$ 

•  $\frac{3}{2}$  

 $\cot\left(\frac{7\pi}{4}\right)=$   ?

• -1

• 1

•  $-\sqrt{2}$  

•   $\sqrt{2}$  

Use your calculator to evaluate: Csc(15⁰) = ?

• 1.537
• -1.316
• 3.864
• 1.035

Tags

CCSS.HSF.TF.A.2

Find secΘ.

• $\frac{17}{15}$

• $\frac{15}{17}$

• $\frac{8}{17}$

• $\frac{17}{8}$

Find cscΘ.

• 15/17
• 17/15
• 8/17
• 17/8

Tags

CCSS.HSF.TF.A.2

Use your calculator to find csc(21^o).

• 2.7904
• 1.0711
• ERROR: Domain
• 1.1952

Tags

CCSS.HSF.TF.A.2

Evaluate csc(120°)

• $-2$

• $\frac{-1}{2}$

• $\frac{-2\sqrt{3}}{3}$

• $\frac{2\sqrt{3}}{3}$