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Grade D For each of the triangles below label the sides adjacent, opposite and hypotenuse. Grade C

Grade D For each of the triangles below label the sides adjacent, opposite and hypotenuse. Grade C For each of the triangles above decide which of the Trigonometrical Ratios you would use to find the missing side or angle. Grade C

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Grade D For each of the triangles below label the sides adjacent, opposite and hypotenuse. Grade C

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  1. Grade D For each of the triangles below label the sides adjacent, opposite and hypotenuse. Grade C For each of the triangles above decide which of the Trigonometrical Ratios you would use to find the missing side or angle. Grade C Describe the difference between a problem that can be solved using trigonometry and a problem that can be solved using Pythagoras’ Theorem.

  2. Grade B

  3. Grade A /A* The depth, D metres, of the water at the end of a jetty in the afternoon can be modelled by this formula D = 5.5 + A sin 30(t – k)° where t hours is the number of hours after midday,A and k are constants. Yesterday the low tide was at 3 p.m.The depth of water at low tide was 3.5 m. Find the value of A and k.

  4. Tips / Hints

  5. My teachers question ...... My answer is ...... My teacher’s comment WWW EBI

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