Trig Inverses

From what quadrants are the answers for arcsin?

• Quadrant 1 and 2

• Quadrant 1 and 4

• Quadrant 1 and 3

• Quadrants 2 and 4

Tags

CCSS.HSF.TF.A.2

From what quadrants are the answers for arccos?

• Quadrants 1 and 2

• Quadrants 1 and 3

• Quadrants 1 and 4

• Quadrants 2 and 3

Tags

CCSS.HSF.TF.A.2

From what quadrants are the answers for arctan?

• Quadrants 1 and 2

• Quadrants 1 and 3

• Quadrants 1 and 4

• Quadrants 2 and 3

Tags

CCSS.HSF.TF.A.2

Why do we limit the answers to the highlighted regions on our chart?

• because my teacher told me so

• so that we only have 1 answer per question

• to make it a function

• IDK

What kinds of answers am you looking for with inverses?

• trig values

• angle measures

Tags

CCSS.HSF.TF.B.7

Why do we not include the undefined part of the tangent graph?

• it is not a part of the function

• it is an asmyptote

• it is not an angle measure

• all the above

What is the notation for the inverse of cosine?

• arccos x

• cos^-1 (x)

• cos (x)^-1

• arccos^-1 x

Tags

CCSS.HSF.TF.B.7

What are the range of answers for arctan?

• 0 < x < pi

• -pi/2 < x < pi/2

• 0 < x < pi

• -pi/2 < x < pi/2

Tags

CCSS.HSF-BF.B.4D

Evaluate:  cos^-1(1/2)

• π/6
• π/4
• π/3
• π/2

Tags

CCSS.HSF.TF.B.7

Evaluate:  tan^-1(√3)

• π/6
• π/4
• π/3
• π/2

Tags

CCSS.HSF.TF.B.7