IM2 Unit 4 HW #26 Trig Ratios:Missing Side and Missing Angle

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

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

How do you locate the hypotenuse on a right triangle?

• It's across from angle A.
• It's always on the left side.
• It's across from the right angle.
• It is the shortest side.

Give the Ratio for SIN X

• opp/adj
• Adj/hyp
• Opp/hyp
  
• adj/opp

Give the Ratio for COS X

• Adj/Hyp
• Opp/Adj
• Adj/Opp
• Opp/Hyp

Give the Ratio for TAN X

• Adj/Opp
• Opp/Adj
• Adj/Hyp
• Opp/Hyp

Susan is flying a kite, which gets caught in the top of a tree.  Use the diagram to estimate the height of the tree. 

• 63 ft
• 65 ft
• 74 ft
• 87 ft

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

What is used to find missing angle measures of right triangles?

• Pythagorean Theorem

• Inverse Trig Functions

Solve for the missing angle.

• 32°

• 44°

• 61°

• 50°

Solve for x.

• 24.20
• 4.92
• 290.4
• 29.75