Lesson 440 minutes

Using Calculators for Trig Values

MathematicsTrigonometry I

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📚 Curriculum Context

This lesson implements: NCDC S3 Mathematics - Topic 1: Trigonometry I

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Overview

Learners use scientific calculators to find sine, cosine, and tangent values for any angle, ensuring correct degree mode settings, building reference tables, and observing patterns in trigonometric values.

Lesson Details

Subject:
Mathematics
Grade:
S3
Term:
Term 1
Topic:
Trigonometry I
Lesson:
4 of 15
Duration:
40 minutes

Curriculum Reference

NCDC Lower Secondary Mathematics Syllabus (2019), S3 Topic 1 (Trigonometry I)

Keywords

calculatordegree modesine valuescosine valuestangent valuestrig tablespatterns

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