Trig Ratios of Right Triangles

Trig Ratios of Right Triangles

Multiple Choice

Which one is the easy way to remember trigonometric ratios?

• Sah Coh Toa
• Soh Cah Toa
• Soh Cah Tao
• Soh Ceh Toa

Multiple Choice

For Right Triangle Trigonometry. The sin(A) equals which ratio?

• opposite/adjacent

• adjacent/hypotenuse

• opposite/hypotenuse

• adjacent/opposite

Multiple Choice

For Right Triangle Trigonometry. The cos(A) equals which ratio?

• opposite/adjacent

• adjacent/hypotenuse

• opposite/hypotenuse

• adjacent/opposite

Multiple Choice

For Right Triangle Trigonometry. The tan(A) equals which ratio?

• opposite/adjacent

• adjacent/opposite

• opposite/hypotenuse

• adjacent/hypotenuse

New Trig Ratios 

• Cosecant (csc) : reciprocal of Sine

• Secant (sec): reciprocal of cosine

• Cotangent (cot): reciprocal of tangent

Example

• Find all 6 trig ratios of the given triangle

• 
  

• 
  

Multiple Choice

For Right Triangle Trigonometry. The csc(A) equals which ratio?

• hypotenuse/adjacent

• hypotenuse/opposite

• adjacent/opposite

• opposite/adjacent

Multiple Choice

For Right Triangle Trigonometry. The sec(A) equals which ratio?

• hypotenuse/adjacent

• hypotenuse/opposite

• opposite/adjacent

• adjacent/opposite

Multiple Choice

For Right Triangle Trigonometry. The cot(A) equals which ratio?

• hypotenuse/adjacent

• hypotenuse/opposite

• opposite/adjacent

• adjacent/opposite