Finding Inverses of Trig Functions

What do inverses of trig functions look like?

• Shifted horizontally

• Flipped

• Reflected on the y axis

• Shifted vertically

Which equation would you use to solve for the unknown angle?

• x = sin^–1(4/5)

• x = cos^–1(4/5)

• x = cos^–1(5/4)

• x = tan^–1(4/5)

Which equation would you use to solve for the unknown angle?

• x = tan^–1(24/7)

• x = tan^–1(7/24)

• x = tan^–1(25/7)

• x = tan^–1(7/25)

Which equation could be used to solve for the unknown angle?

• x =sin^–1(25/24)

• x = sin^–1(24/25)

• x = sin^–1(25/7)

• x = sin^–1(7/25)

• A
• B
• C

The best strategy for creating a(n) ​ (a)   function is to switch the x and the ​ (b)  

• inverse

• y

• cosine

• tangent

• h

• k

What method should be used to solve this problem?

• regular trigonometry

• Pythagorean theorem

• inverse trigonometry

• Spider Man

What method should be used to solve this problem?

• regular trigonometry

• Pythagorean theorem

• inverse trigonometry

• 3.14

What is the inverse formula for sec x?

• tan(x)

• cos(x)

• 1/sin(x)

• 1/cos(x)