Chapter 7.2 (Mathematics, Grade 9)

Sine and Cosine of an Acute Angle

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Chapter topics:

  1. Sine and Cosine of an Acute Angle
  2. The height of the stars in the sky
  3. The sine of an acute angle
  4. Cosine of an acute angle
  5. Practice and solve
  6. Rules and formulas

A valid license for package „Erakasutaja 2024/25”, „Õpilane 2024/25”, „Õpilane 2024/25 - SOODUSHIND!”, „Õpilane 2024/25 – isiklik”, „Õpilane 2024/25 isiklik: eesti ja venekeelne” or „Õpilane 2024/25: eesti ja venekeelne” is required to use the kit. Click the link with the package name to learn more about the package and order a license.

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