L.O. 4: Trigonometry (Sides)

We are learning to use trigonometry to calculate the sides of right-angled triangles.

Step 1: Explanation

Step 2: Developing Your Understanding

Your notes should include the following:

  • What are the four steps to using trigonometry to find the sides of right-angled triangles?

  • Step 1: What are the 3 sides of a triangle? How can you identify them?

  • Step 2: What are the 3 formulas in trigonometry? When do you use each of the formulas?

  • Step 3 & Step 4: Give 3 examples of the substitution and solving required for these questions.

Step 3: Practice The "Skill"

Step 4: Enrich Your Understanding

Step 5: Reflection

Our Learning Objective was: "We are learning to use trigonometry to calculate the sides of right-angled triangles". Please think about the following.

  • Can you do this?

  • What are your strengths and weaknesses?

  • How can you improve your weaknesses?

Monitoring Your Progress (Answers)