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  • Perplex
    IB Math AAHL
    /
    Trig equations & identities
    /

    Lessons

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    Concept Lessons

    Access comprehensive explorations for all concepts in your objective, including problems, helpful visuals, and AI features.

    What you'll find in every lesson:

    High-quality explanations: Each lesson is carefully crafted to help you truly understand the concept, not just memorize it.

    Checkpoint exercises: Practice as you learn with interactive problems designed to reinforce your understanding.

    AI-powered discussions: Engage with thought-provoking questions that help reveal your misconceptions.

    What you'll find in every lesson:

    High-quality explanations: Each lesson is carefully crafted to help you truly understand the concept, not just memorize it.

    Checkpoint exercises: Practice as you learn with interactive problems designed to reinforce your understanding.

    AI-powered discussions: Engage with thought-provoking questions that help reveal your misconceptions.

    Concept Lessons

    Access comprehensive explorations for all concepts in your objective, including problems, helpful visuals, and AI features.

    8 Lessons Available

    What you'll find in every lesson:

    High-quality explanations: Each lesson is carefully crafted to help you truly understand the concept, not just memorize it.

    Checkpoint exercises: Practice as you learn with interactive problems designed to reinforce your understanding.

    AI-powered discussions: Engage with thought-provoking questions that help reveal your misconceptions.

    What you'll find in every lesson:

    High-quality explanations: Each lesson is carefully crafted to help you truly understand the concept, not just memorize it.

    Checkpoint exercises: Practice as you learn with interactive problems designed to reinforce your understanding.

    AI-powered discussions: Engage with thought-provoking questions that help reveal your misconceptions.

    Trig equations & identities

    Thumbnail for Circles: Radians, arcs and sectors

    Measuring angles in radians, circumference & arc lengths and sector areas

    Circles: Radians, arcs and sectors (Plus Only)
    Thumbnail for The Unit Circle

    Sine, cosine & tangent functions in the unit circle

    The Unit Circle

    Powered by Desmos

    Graphs, domain, and range of sinx and cosx, general sinusoidal functions, modeling periodic phenomena, tanx and reciprocal trig functions, inverse trig functions

    Trigonometric Functions
    Thumbnail for Reciprocal trig functions

    The functions secx, cosecx and cotx, domain, range & graphs

    Reciprocal trig functions (Plus Only)
    Thumbnail for Trig Equations

    Solving equations involving trigonometric functions and understanding solution domains

    Trig Equations (Plus Only)
    Thumbnail for Inverse trig functions

    The functions arcsin,arccos and arctan, their domain & range & graph

    Inverse trig functions (Plus Only)
    Thumbnail for Trigonometric Identities

    Applications of trigonometric identities such as sin2θ+cos2θ=1, sin2θ=2sinθcosθ and more identities for HL students

    Trigonometric Identities (Plus Only)
    Thumbnail for Further trigonometric identities

    Compound angle identities sin(A+B) and cos(A+B), double angle identity for tan2θ, and pythagorean identity for reciprocal trig functions.

    Further trigonometric identities (Plus Only)