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Mathematics
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Topic 06

Geometry & Trigonometry

Sine/cosine rules, identities, trigonometric graphs.

0 / 12 sections complete · 2 chapters
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Chapter 1Pro

Right Triangles & Beyond

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    Lecture: Right Triangles & 3D Geometry
    ~28 min·practice inside
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    Y10 Prereq
    Pythagoras' Theorem
    ~4 min·compact refresher
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    Right-Triangle Trigonometry
    ~10 min·practice inside
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  • 🔒
    Sine & Cosine Rules
    ~11 min·practice inside
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  • 🔒
    3D Geometry: Solids
    ~15 min·practice inside
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Chapter 1 Cheatsheet
9 key formulas · always available · printable
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Chapter 1 Quiz
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Chapter 2🔒 Locked

Identities & Graphs

Finish every section in Chapter 1 to unlock.

  • 🔒
    Lecture: Trig Identities, Graphs, and Equations
    ~30 min·practice inside
  • 🔒
    Trigonometric Identities
    ~13 min·practice inside
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    Trigonometric Graphs
    ~13 min·practice inside
  • 🔒
    Trigonometric Equations
    ~14 min·practice inside
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    Compound Angle Formulae
    ~16 min·practice inside
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    Reciprocal & Inverse Trig Functions
    ~15 min·practice inside
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    R-form (Harmonic Addition)
    ~16 min·practice inside
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Chapter 2 Cheatsheet
12 key formulas · always available · printable
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Chapter 2 Quiz
Chapter locked