What will be learnt? We will learn about the value of sine, cosine and tangent for angle between 0 and 360.

What is the important keyword that must be emphasis?

  • Quadrant and the value of sine, cosine and tangent for each quadrant (positive/negative).
  • Corresponding reference angle.
  • Special Angle (30, 60 and 45)
  • Unit circle

To get the answer for all knowledge that we need in this subtopic, let’s watch this video.

2 Comments

  • Nayli Fatini Reply
    May 23, 2021

    Cikgu, untuk soalan without using calculator tu, kalau jawapan tulis nombor perpuluhan dikira salah ke cikgu?

    • Syukri Sulaiman Reply
      May 24, 2021

      Jawapan tu betul cuma untuk pemarkahan tu tak dapat fullmarks, sebab without using calculator membawa maksud awak mesti guna special angle yang mempunyai sifat-sifat khas dan setiap length triangle mempunyai length tertentu.

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