Labeling Right Triangles and Solving for SOH, CAH, TOA

SINE = ?

• Opposite
  -----------
  Hypotenuse
• Adjacent
  -----------
  Hypotenuse
• Opposite
  -----------
  Adjacent

COSINE = ?

• Opposite
  -----------
  Hypotenuse
• Adjacent
  -----------
  Hypotenuse
• Opposite
  -----------
  Adjacent

TANGENT = ?

• Opposite
  -----------
  Hypotenuse
• Adjacent
  -----------
  Hypotenuse
• Opposite
  -----------
  Adjacent

SIN (C) =

• 24/25
• 7/25
• 24/7
• 7/24

COS (C) =

• 24/25
• 7/25
• 24/7
• 7/24

TAN (C) =

• 24/25
• 7/25
• 24/7
• 7/24

Solve for x.

Sine(50)=.77

Cosine(40)=x

• .23

• .77

• .5

• .4

The hypotenuse is always across from the ___________ in a right triangle.

• sine

• cosine

• tangent

• right angle

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x

Find x round to the nearest tenth.

• 46.1
• 4.9
• 16.4
• 26.9