Support · Stage 5 · Trigonometry D (Path)
Support Establish and apply the relationship m = tanθ, where m is the gradient of the line and θ is the angle of inclination of a line with the x -axis on the Cartesian plane
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Find the size of an angle given one of the trigonometric ratios for the angle using digital tools
Stage 5 · Trigonometry A Draft mapping
- Corbettmaths practice questions: Trigonometry introductionUse it for: Free printable graded practice questions (with answers) on trigonometry introduction for drill or a quick check.
- WorksheetDrillKuta free worksheet: Inverse trig ratiosUse it for: Printable skills-practice sheet with answer key on inverse trig ratios; good for drill or homework.
- VideoStarterCorbettmaths video: Trigonometry missing anglesUse it for: Short worked-example video on trigonometry missing angles to model the method before practice or for flipped revision.
Find approximations of the trigonometric ratios for a given angle
Stage 5 · Trigonometry A Draft mapping
No checked resources on this prerequisite dot point yet.
Rearrange the formula to deduce that cosC = (a² + b² - c²)/(2ab) and use this to find an unknown angle
Stage 5 · Trigonometry C (Path) Draft mapping
- Interactive toolStarterMaths Is Fun: The law of cosinesUse it for: Cosine rule with examples.
- Corbettmaths practice questions: Trigonometry: sine rule (sides)Use it for: Free printable graded practice questions (with answers) on trigonometry: sine rule (sides) for drill or a quick check.
- VideoStarterCorbettmaths video: Trigonometry: cosine rule (angles)Use it for: Short worked-example video on trigonometry: cosine rule (angles) to model the method before practice or for flipped revision.