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Perplex
Perplex
Dashboard
Topics
Exponents & LogarithmsApproximations & ErrorSequences & SeriesMatricesComplex NumbersFinancial Mathematics
Cartesian plane & linesFunction TheoryModellingTransformations & asymptotes
2D & 3D GeometryVoronoi DiagramsTrig equations & identitiesVectorsGraph Theory
ProbabilityDescriptive StatisticsBivariate StatisticsDistributions & Random VariablesInference & Hypotheses
DifferentiationIntegrationDifferential Equations
Review VideosFormula BookletMy Progress
BlogLanding Page
Sign UpLogin
Perplex
IB Math AIHL
/
2D & 3D Geometry
/
Video
Edit

Video Review

Watch comprehensive review videos for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

IB Math AIHL
/
2D & 3D Geometry
/
Video
Edit

Video Review

Watch comprehensive review videos for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Not your average video:

Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

Back

Trig equations & identities

Video Review

Timeline

UNIT CIRCLE

sin and cos on the unit circle

00:51

Key values of sin, cos & tan

03:28

Symmetry about the y-axis

08:11

Quadrants

08:53

Periodicity

10:03

Exercise

12:06

Symmetry about the origin

14:09

Symmetry about the x-axis

14:54

Relating Angles between Quadrants

15:22

Exercise

17:04

tan as slope in the unit circle

20:30

sin²θ+cos²θ=1

22:19

Exercise

25:00

TRIG FUNCTIONS

Sine and Cosine functions

26:44

Sinusoidal Functions

29:08

tan function

31:00

Problem

32:23

TRIG EQUATIONS

Solving sinθ=a

36:36

Solving cosθ=a

38:25

Trigonometric solution domains

39:21

Exercise

43:45

Trigonometric quadratics

46:34

Problem

49:01

IDENTITIES

sin²θ+cos²θ=1

56:16

Sine double angle identity

57:02

Cosine double angle identity

57:40

Problem

1:07:07

HL FUNCTIONS

Inverse sine (arcsin) function

1:11:58

Inverse cosine (arccos) function

1:15:14

Inverse tan (arctan) function

1:16:25

Reciprocal trig functions

1:17:13

HL IDENTITIES

1+tan²θ=sec²θ

1:18:22

1+cot²θ=cosec²θ

1:19:40

Sine and cosine compound angle identities

1:22:59

Tan double angle identity

1:24:11

Tan compound angle identity

1:31:07

Unit circleTrig functionsTrig equationsIdentitiesHL functionsHL Identities

The video will automatically pause when it reaches a problem.

Unit circleTrig functionsTrig equationsIdentitiesHL functionsHL Identities
Back

Trig equations & identities

Video Review

Timeline

UNIT CIRCLE

sin and cos on the unit circle

00:51

Key values of sin, cos & tan

03:28

Symmetry about the y-axis

08:11

Quadrants

08:53

Periodicity

10:03

Exercise

12:06

Symmetry about the origin

14:09

Symmetry about the x-axis

14:54

Relating Angles between Quadrants

15:22

Exercise

17:04

tan as slope in the unit circle

20:30

sin²θ+cos²θ=1

22:19

Exercise

25:00

TRIG FUNCTIONS

Sine and Cosine functions

26:44

Sinusoidal Functions

29:08

tan function

31:00

Problem

32:23

TRIG EQUATIONS

Solving sinθ=a

36:36

Solving cosθ=a

38:25

Trigonometric solution domains

39:21

Exercise

43:45

Trigonometric quadratics

46:34

Problem

49:01

IDENTITIES

sin²θ+cos²θ=1

56:16

Sine double angle identity

57:02

Cosine double angle identity

57:40

Problem

1:07:07

HL FUNCTIONS

Inverse sine (arcsin) function

1:11:58

Inverse cosine (arccos) function

1:15:14

Inverse tan (arctan) function

1:16:25

Reciprocal trig functions

1:17:13

HL IDENTITIES

1+tan²θ=sec²θ

1:18:22

1+cot²θ=cosec²θ

1:19:40

Sine and cosine compound angle identities

1:22:59

Tan double angle identity

1:24:11

Tan compound angle identity

1:31:07

Unit circleTrig functionsTrig equationsIdentitiesHL functionsHL Identities

The video will automatically pause when it reaches a problem.

Unit circleTrig functionsTrig equationsIdentitiesHL functionsHL Identities