Billy Walsh, Patrician Presentation Secondary School, Fethard

Billy Walsh, Patrician Presentation Secondary School, FethardBilly Walsh, Patrician Presentation Secondary School, FethardBilly Walsh, Patrician Presentation Secondary School, Fethard

Billy Walsh, Patrician Presentation Secondary School, Fethard

Billy Walsh, Patrician Presentation Secondary School, FethardBilly Walsh, Patrician Presentation Secondary School, FethardBilly Walsh, Patrician Presentation Secondary School, Fethard
  • Home
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  • Leaving Cert Ordinary
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  • Junior Cert Higher
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  • Junior Cert Ordinary
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    • Fethard Maths Trail
  • More
    • Home
    • Leaving Cert Higher
      • Statistics
      • Algebra
      • Financial Maths
      • Probability
      • Complex Numbers
      • Area and Volume
      • Series and Sequence
      • The Line & Circle
      • Geometry
      • Trigonometry
      • Induction
      • Differentiation
      • Integration
      • Functions and Graphs
    • Leaving Cert Ordinary
      • Algebra
      • Statistics
      • The Line and the Circle
      • Arithmetic
      • Complex Numbers
      • Area and Volume
      • Series and Sequence
      • Geometry
      • Trigonometry
      • Functions and Graphs
      • Calculus
      • Probability
    • Junior Cert Higher
      • Algebra
      • Arithmetic
      • Statistics
      • Probability
      • Area and Volume
      • Geometry
      • The Line
      • Series and Sequence
      • Functions and Graphs
      • Trigonometry
    • Junior Cert Ordinary
      • Algebra
      • Arithmetic
      • Statistics
      • Probability
      • Area and Volume
      • Geometry
      • The Line
      • Series and Sequence
      • Functions and Graphs
      • Trigonometry
    • Constructions
    • Fethard Maths Trail
      • Fethard Maths Trail

  • Home
  • Leaving Cert Higher
    • Statistics
    • Algebra
    • Financial Maths
    • Probability
    • Complex Numbers
    • Area and Volume
    • Series and Sequence
    • The Line & Circle
    • Geometry
    • Trigonometry
    • Induction
    • Differentiation
    • Integration
    • Functions and Graphs
  • Leaving Cert Ordinary
    • Algebra
    • Statistics
    • The Line and the Circle
    • Arithmetic
    • Complex Numbers
    • Area and Volume
    • Series and Sequence
    • Geometry
    • Trigonometry
    • Functions and Graphs
    • Calculus
    • Probability
  • Junior Cert Higher
    • Algebra
    • Arithmetic
    • Statistics
    • Probability
    • Area and Volume
    • Geometry
    • The Line
    • Series and Sequence
    • Functions and Graphs
    • Trigonometry
  • Junior Cert Ordinary
    • Algebra
    • Arithmetic
    • Statistics
    • Probability
    • Area and Volume
    • Geometry
    • The Line
    • Series and Sequence
    • Functions and Graphs
    • Trigonometry
  • Constructions
  • Fethard Maths Trail
    • Fethard Maths Trail

Please click on the below links for the following topics:

Link to Pythagoras Theorem
Link to Trigonometric Ratios
Link to Sine rule
Link to Cosine Rule
Link to Finding the area of a triangle

how to approach a trigonometric questions

How to Approach a Trigonometric Questions

Trigonometric functions (CAST)

Trigonometric Functions (CAST)

Graphs of Trigonometric Functions

Graphs of Trigonometric Functions

General solutions to trigonometric functions

General Solutions to Trigonometric Functions

All solutions to trigonometric functions (Part 1)

All Solutions to Trigonometric Functions (Part 1)

All solutions to trigonometric functions (Part 2)

All Solutions to Trigonometric Functions (Part 2)

General and all solutions to trigonometric functions (part 3

General and All Solutions to Trigonometric Functions (Part 3)

Trigonometric Identities

Trigonometric Identities

Compound angles

Compound angles

Double angles

Double Angles

Changing products to sums and differences

Changing Products to Sums and Differences

Derivation of Formula 1 and 2 (Cos squared A + Sin squared A = 1) and (Sine rule)

 Derivation of Formula 1 and 2.   (Cos squared A + Sin squared A = 1) and (Sine Rule) 

Derivation of Formula 3. The Cosine Rule

 Derivation of Formula 3.   The Cosine Rule 

Deviation of Formula 4: Cos(a-B) = cosacosb +sinaSineb

Deviation of Formula 4: Cos (A-B)=CosAcosB + SineASineB

Deviation of formula 5: Cos (A+B) cosacosb-sinasinb

Deviation of Formula 5: Cos (A+B) = Cos ACosB-SinASinB

Deviation of formula 6: cos2A =Cos squared A - Sin squared

Deviation of Formula 6: Cos2A=Cos squred A - Sin Squared A

Deviation of Formula 7: Sin (A+B) = SinAcosB + cosAsinb

Deviation of Formula 7: Sin(A+B)=SinAcosB + CosAsinB

Deviation of Formula 8: Tan(A+B)+Sin(A+B)/Cos(A+B)

Deviation of Formula 8: Tan (A+B)=Sin(A+B)/Cos(A+B)

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