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Stage 5 · Trigonometry D (Path) · Solve trigonometric equations using exact values and the relationships between supplementary and complementary angles · Topic: Pythagoras & trigonometry · Year 9, 10

Apply the sine rule and area rule to find angles involving the ambiguous case

Dot point ID k-10-2022-stage-5-trigonometry-d-path/trd-sol-stg5-04 · NESA code MA_K_10_CP_TRD_SOL_STG5_04 · See it on the NSW Curriculum website ↗

↩SupportBuild the prerequisite skills first · 6 resources ★EnrichExtension & rich tasks · 1 resource

Outcomes for this focus area (MA5-TRG-P-02)

MA5-TRG-P-02 establishes and applies the properties of trigonometric functions and finds solutions to trigonometric equations (Path: Adv)

Core resources for this dot point

On-level resources, grouped by type. Need the building blocks? Use Support. Ready for more? Use Enrich.

Video

VideoStarter
Corbettmaths video: Trigonometry: sine rule (ambiguous case)
Corbettmaths · Video · Free · Link checked 2026-10-15 · No prep
Use it for: Short worked-example video on trigonometry: sine rule (ambiguous case) to model the method before practice or for flipped revision.

Focus area resources

Checked resources for Trigonometry D (Path) as a whole (not mapped to a single dot point).

Unit/Planning
Stage 5 Year 10 – the unit circle elective (sample unit of learning)
NSW Department of Education · Sample unit (DOCX) · Editable document · Free · Link checked 2026-10-15 · Australian context, Editable, Teacher notes
Outcome codes found in document: MA5-IND-P-02, MA5-TRG-P-02