Secondary 4 Math Trigonometry and Metric Relations — Unit Notes
Every definition and theorem this unit expects you to know, stated once each and written to be revised from: 2 definitions and 5 theorems, 4 worked examples, in 5 printable pages. This page lists what the notes cover. The notes themselves come with the Secondary 4 Math bundle.
Unit notes — in the bundle
Not sold separately. The practice worksheet for this unit is free, with no email and no account.
Trigonometry and Metric Relations — what the notes cover
4 sections, in the order the unit is taught. Each entry below is the title of a definition or a theorem the notes state in full.
The three ratios in a right triangle
- Definition — Sine, cosine and tangent
- Theorem — Solving a right triangle
Also in this section: 1 worked example, 2 notes on method and common errors.
Metric relations in a right triangle
- Definition — The altitude to the hypotenuse
- Theorem — The three relations
Also in this section: 1 worked example, 2 notes on method and common errors.
The sine law and the cosine law
- Theorem — The sine law
- Theorem — The cosine law
Also in this section: 1 worked example, 2 notes on method and common errors.
The area of a triangle
- Theorem — Three formulas, three sets of givens
Also in this section: 1 worked example, 1 note on method and common errors.
Where the notes are
The notes are one of the documents in the Secondary 4 Math Solutions Bundle, beside the unit test, the challenge problems and every worked answer key. The Trigonometry and Metric Relations practice worksheet is free and stays free.
Every Secondary 4 Math topic — the complete Solutions Bundle
One download, one payment, the whole program. For all 17 Secondary 4 Math units: the worksheet, the reference notes, the challenge set, the unit test and every answer key — these notes included.
- Worked solutions, not answer lists — every step written out
- Covers the whole year's program at this level
- Less than the price of one hour of tutoring — for the entire year's solutions
Practise it, then test yourself
Notes on their own do not make anything stick. This unit has a free, printable practice worksheet, and an end-of-unit test that comes with the bundle.
Trigonometry and Metric Relations practice worksheet About the Trigonometry and Metric Relations unit test