Circular Trigonometry

• cos x
• csc x
• sec x
• cot x

Tags

CCSS.HSG.SRT.C.8

Which of the following is a negative coterminal angle of 165 degrees?

• 295

• 525

• -525

• -195

What is the reference angle for 240 degrees?

• 60 degrees
• 30 degrees
• 45 degrees
• 210 degrees

What are the three other angles in standard position that have a reference angle of  $18\degree$  ?

•  $18\degree,144\degree,342\degree$  

•  $162\degree,198\degree,342\degree$  

•  $108\degree,162\degree,198\degree$  

•  $126\degree,234\degree,306\degree$  

Convert -520^o into Radians

• -17π / 4

• -21π / 6

• -26π / 9

• -23π / 6

Tags

CCSS.HSF.TF.A.1

Convert 35π / 18 radians into degrees

• 350^o

• 340^o

• 355^o

• 345⁰

Tags

CCSS.HSF.TF.A.1

What is the exact value of cos 330°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

What is tan 90°?

• 1
• undefined
• 0
• ½

Tags

CCSS.HSF.TF.A.2

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

cos 3π/2

• -1/2

• 0

• undefined

• -√3/2