Soh Cah Toa and Special Right Triangles

 FInd tanX

• 32/40

• 40/24

• 32/24

• 24/32

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Find cosA

• 30/16

• 30/34

• 30/15

• 16/34

• x = 17.75
  y = 38.06
• x = 38.06
  y = 17.75
• x = 19.58
  y = 37.16
• x = 37.16
  y = 19.58

Would you use Tangent, Sine or Cosine to solve?

• Cosine

• Sine

• No sine

• Tangent

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Solve for x.

• 24.20

• 4.92

• 290.4

• 29.75

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2

What is the length of y in this 45-45-90 triangle?

• 8√2

• 4√2

• 4

• 8