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AED(د.إ)Trigonometry Grade 12 Revision Lesson
R46.00
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Resource Description
Trigonometry
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Learning Outcomes: Grade 12
1. Compound angle identities: sin(𝛼 ± 𝛽) = sin𝛼 cos𝛽 ± sin𝛽 cos𝛼 cos(𝛼 ± 𝛽) = cos𝛼 cos𝛽 ± sin𝛼 sin𝛽 sin 2𝛼 = 2sin𝛼 cos𝛽 cos 2𝛼 = cos²𝛼 – sin²𝛼 = − 2cos²𝛼 – 1 = 1 − 2sin²𝛼 2. Revise the proof of the sine, cosine and area rules 3. Solve problems in two and three dimensions applying the sine, cosine and area rules |
Introduction
Welcome to this Trigonometry revision lesson! In this session, we will consolidate the concepts you’ve covered in Grade 11 and Grade 12 Mathematics. Begin by watching the video presentation, and then proceed to explore the summarized content on Trigonometry. Towards the end of the lesson, you’ll find a basic example to test your comprehension of Trigonometry. Keep in mind that practice is the path to perfection, so dive in and sharpen your skills!
