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Master Trigonometry With Expert Video Solutions

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Liam O'Connor

6th Year, St. Mary's Secondary School, Cork

Aoife Murphy

6th Year, Loreto College, Dublin

Ms. Byrne

Maths Teacher, 15 years experience

Ciara Doyle

Mother of 6th Year student, Galway

Sean Kelly

6th Year, Presentation Brothers College, Cork

Emma Walsh

6th Year, Scoil Mhuire, Cork

Mr. O'Sullivan

Maths Department Head, Dublin

Niamh Brennan

6th Year, Coláiste Íosagáin, Dublin

Conor Ryan

6th Year, Blackrock College, Dublin

Mrs. McCarthy

Mother of 6th Year student, Limerick

Orla Fitzgerald

6th Year, Loreto Secondary School, Kilkenny

Darragh O'Brien

6th Year, Christian Brothers College, Cork

Ms. Murphy

Maths Teacher, 10 years experience

Róisín Ní Mhaonaigh

6th Year, Pobalscoil Chloich Cheannfhaola, Donegal

James Thompson

6th Year, Wesley College, Dublin

Trigonometry Topics

Right Triangle Trigonometry

Use sine ratio to calculate angles and sides (Sin = \( \frac{o}{h}\) )

Use cosine ratio to calculate angles and sides (Cos = \( \frac{a}{h}\) )

Use tangent ratio to calculate angles and sides (Tan = \( \frac{o}{a}\) )

Combination of SohCahToa questions

Solving expressions using 45-45-90 special right triangles

Solving expressions using 30-60-90 special right triangles

Word problems relating ladder in trigonometry

Word problems relating guy wire in trigonometry

Other word problems relating angles in trigonometry

Trigonometric Ratios and Angle Measure

Angle in standard position

Coterminal angles

Reference angle

Find the exact value of trigonometric ratios

ASTC rule in trigonometry (All Students Take Calculus)

Unit circle

Converting between degrees and radians

Trigonometric ratios of angles in radians

Radian measure and arc length

Law of sines

Law of cosines

Applications of the sine law and cosine law

Bearings

Introduction to bearings

Bearings and direction word problems

Angle of elevation and depression

Graphing Trigonometric Functions

Sine graph: y = sin x

Cosine graph: y = cos x

Tangent graph: y = tan x

Cotangent graph: y = cot x

Secant graph: y = sec x

Cosecant graph: y = csc x

Graphing transformations of trigonometric functions

Determining trigonometric functions given their graphs

Applications of Trigonometric Functions

Ferris wheel trig problems

Tides and water depth trig problems

Spring (simple harmonic motion) trig problems

Trigonometric Identities

Quotient identities and reciprocal identities

Pythagorean identities

Sum and difference identities

Cofunction identities

Double-angle identities

Solving Trigonometric Equations

Solving first degree trigonometric equations

Determining non-permissible values for trig expressions

Solving second degree trigonometric equations

Solving trigonometric equations involving multiple angles

Solving trigonometric equations using pythagorean identities

Solving trigonometric equations using sum and difference identities

Solving trigonometric equations using double-angle identities

Inverse Trigonometric Functions

Finding inverse trigonometric function from its graph

Evaluating inverse trigonometric functions

Finding inverse reciprocal trigonometric function from its graph

Finding exact value of inverse reciprocal trig functions

Imaginary and Complex Numbers

Introduction to imaginary numbers

Complex numbers and complex planes

Adding and subtracting complex numbers

Complex conjugates

Multiplying and dividing complex numbers

Distance and midpoint of complex numbers

Angle and absolute value of complex numbers

Polar form of complex numbers

Operations on complex numbers in polar form

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Master Trigonometry With Expert Video Solutions

Get instant help for any Trigonometry problem. Watch clear explanations, practice with tests & boost your Leaving Certificate in 30 days.

✅ 12% average grade increase

📚 10,000+ video solutions

🎯 97% curriculum match

🚀 30-day improvement

Proven Results

Ace Your Tests

Complex Made Simple

Trigonometry Topics

Right Triangle Trigonometry

Trigonometric Ratios and Angle Measure

Bearings

Graphing Trigonometric Functions

Applications of Trigonometric Functions

Trigonometric Identities

Solving Trigonometric Equations

Inverse Trigonometric Functions

Imaginary and Complex Numbers

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