Inverse Trig Right Triangles

Find the measure of the indicated angle (?) round to the nearest tenth.

• 9.4

• 55.2

• 20.15

• 19.4

Tags

CCSS.HSG.SRT.C.8

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

Tags

CCSS.HSG.SRT.C.7

Solve for the missing angle

• 50

• 0.053

• 36.9

• 95

Tags

CCSS.HSG.SRT.C.8

Solve for the missing angle

• 50.2

• 93.1

• 12.6

• 42.2

Tags

CCSS.HSG.SRT.C.8

Match the following definitions with the correct word

• Arccosine

• The ----------- of a positive number is the acute

  angle whose tangent is that number.

• Arcsine

• The ---------- of a number between 0 and 1 is the

  acute angle whose cosine is that number.

• Arctangent

• The --------- of a number between 0 and 1 is the

  acute angle whose sine is that number.

Tags

CCSS.HSF.TF.A.2

Find A, B, and C.

angle A = ​ ​ (a)  

angle B = ​ (b)  

angle C = (c)  

• 28.3

• 90

• 61.69

• 32.84

• 57.16

• 37.17

• 52.83

• 60

• 30

Tags

CCSS.HSG.SRT.C.8

1. Right triangle ABC is shown. 

Select all expressions which are equal to the length of side BC .

Tags

CCSS.HSG.SRT.C.8

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

Tags

CCSS.HSG.SRT.C.8

Use the triangle to find the ratio of cotO

Tags

CCSS.HSG.SRT.C.6

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

Tags

CCSS.HSG.SRT.C.6