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Methodical recommendation:

Theory

Number Name Description
1. Introduction to triginometric ratios To learn the trigonometric ratios from the right angled triangle.
2. Reciprocals of basic triginometric ratios To learn the reciprocals of trigonometric ratios.
3. Trigonometric ratios of 45° To derive the values of all the trigonometric ratios of 45°.
4. Trigonometric ratios of 30° and 60° To derive the values of all the trigonometric ratios of 30° and 60°.
5. Trigonometric ratios of 0° To derive the values of all the trigonometric ratios of 0°.
6. Trigonometric ratios of 90° To derive the values of all the trigonometric ratios of 90°.

Practice Questions

Number Name Type Difficulty Marks Description
1. Compute the ratios 2nd type - interpretation easy 3 m. To compute the trigonometric ratios from the given data.
2. Find the ratios from the figure 2nd type - interpretation easy 2 m. To find the trigonomrtic values based on the given angles in the figure.
3. Find the length of the required side 2nd type - interpretation easy 2 m. To find the required length of the side using the trigonometry ratio table.
4. Evaluate the expression 2nd type - interpretation easy 2 m. To evaluate the value of the given expression using the trigonometry ratio table.
5. Find the value of the given expression 2nd type - interpretation easy 2 m. To evaluate the value of the given expression using the trigonometry ratio table.
6. Find the angle 2nd type - interpretation easy 2 m. To find the required angle using the trigonometry ratio table.
7. Find the given trigonometric ratio 3rd type - analysis medium 3 m. To find the given trigonometric ratio from the graph described.
8. Find the sine value 3rd type - analysis medium 3 m. To compute the value of the trigonometric ratio sine from the data provided.
9. Find the value of the expression 2nd type - interpretation medium 3 m. To find the value of the given expression using the given ratio.
10. Find the value of sinθ 3rd type - analysis medium 3 m. To compute the value of the trigonometric ratio sin𝜃.
11. Determine the six trigonometric ratios 2nd type - interpretation medium 3 m. To compute all the six trigonometric ratios from the given data.
12. Find the cosine value 3rd type - analysis medium 3 m. To compute the value of the trigonometric ratio cosine from the data provided.
13. Simplify 2nd type - interpretation medium 3 m. To simplify the given expression using the trigonometric ratio table.
14. Find the two angles 2nd type - interpretation medium 3 m. To find the two required angles using the data provided.
15. Find the value of 'y' and 'z' 3rd type - analysis hard 4 m. To find the value of 'y' and 'z' using the trigonometry ratio table.
16. Find the sine and cosine value 3rd type - analysis hard 4 m. To find the unknown side 'z' of the triangle and to compute the trigonometric ratios.
17. Find the true relation 3rd type - analysis hard 4 m. To find the relation that staisfies the trigonometric ratios.
18. Match the values with their appropriate ratios 3rd type - analysis hard 6 m. To match the columns with the corresponding trigonometric ratios.
19. Find the trigonometric ratios 3rd type - analysis hard 5 m. To compute all the trigonometric ratios from the given data.
20. Choose the correct expression 3rd type - analysis hard 4 m. To choose the correct trigonometric expression by simplifying the given expression.

Questions for Teacher Use

Number Name Type Difficulty Marks Description
1. Construct and determine Other easy 3 m. To construct a right angled triangle using a circle and to determine its trigonometric ratios.
2. Prove the equation Other medium 4 m. To prove the given equation using trigonometric ratio table.
3. Derive the trigonometric ratios of 0° Other hard 6 m. To derive the values of all the trigonometric ratios of 0°.
4. Derive the trigonometric ratios of 90° Other hard 6 m. To derive the values of all the trigonometric ratios of 90°.

Tests

Number Name Recomended time: Difficulty Marks Description
1. Training test I 00:15:00 medium 10 m.
2. Training test II 00:15:00 medium 10 m.

Periodic assessments

Number Name Recomended time: Difficulty Marks Description
1. Homework I 00:20:00 hard 13 m.
2. Homework II 00:20:00 hard 13 m.
3. Progress test I 00:25:00 hard 18 m.
4. Progress test II 00:25:00 hard 19 m.