Inverse Trig Functions with Reference Triangles

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)

Tags

CCSS.HSG.SRT.C.8

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)

Tags

CCSS.HSG.SRT.C.8

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

• x =cos^–1(68/85)

• x = cos^–1(85/68)

• x = cos^–1(51/85)

• x = cos^–1(85/51)

Tags

CCSS.HSG.SRT.C.8

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

• x = sin^–1(56/70)

• x = sin^–1(70/56)

• x = sin^–1(70/42)

• x = sin^–1(42/70)

Tags

CCSS.HSG.SRT.C.8

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)

Tags

CCSS.HSG.SRT.C.8

What would you use to solve for the missing angle?

• Regular Trig

• Inverse Trig

• Pythagorean Theorem

• All angles in a triangle add up to 180

• Special Right Triangles

Tags

CCSS.HSG.SRT.C.8

Choose the correct ratio.

• sin^-1(9/20)

• cos^-1(9/20)

• tan^-1(9/20)

• cos^-1(20/9)

Tags

CCSS.HSG.SRT.C.8

Which inverse trig function would you use to find the measure of Angle A?

• inverse sine

• inverse cosine

• inverse tangent

• It is not possible to determine m<A

Tags

CCSS.HSG.SRT.C.8

Which expression is correct for "y"?

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)

Tags

CCSS.HSF.TF.B.7

Which equation is true?

• sin (x) = 11/27

• sin (x) = 27/11

• cos (x) = 11/27

• tan (x) = 11/27

Tags

CCSS.HSF.TF.A.2