Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Some applications of trigonometry - Chapter importance | Learn about chapter weightage and most important concepts in 'Real Numbers' chapter as per CBSE board examination. |
| 2. | Cheatsheet |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Finding the Width of a River | Other | easy | 1 m. | To know about angle of elevation. |
| 2. | Comparing Two Towers from the Mid-Point of Their Feet | Other | easy | 1 m. | To know about angle of elevation. |
| 3. | Determine the angle of elevation | Other | easy | 3 m. | Check your understanding skills in the concept of angle of elevation. |
| 4. | Heights and Distances | Other | medium | 3 m. | This exercise to check understanding about using the change in the angle of elevation of a lighthouse to find the speed, time, distance travelled or height. |
| 5. | Two Angles of Elevation | Other | medium | 3 m. | This exercise to check understanding about using two angles of elevation to find an unknown height and distance. |
| 6. | Tangent of the Angle of Elevation | Other | medium | 3 m. | This exercise to check understanding about using given tangent values of angles of elevation to find the height of a tower or a distance. |
| 7. | Two Towers and Crossing Lines of Sight | Other | hard | 4 m. | This exercise to check understanding about using angles of elevation and a connecting wire to find the distance between two towers, their heights, and the height of the point where the lines of sight cross. |
| 8. | PYQ - CBQ Application of trigonometry | Other | hard | 4 m. | This exercise is to check your knowledge about applications of trigonometry. |
| 9. | Find speed of the bird | Other | hard | 5 m. | This exercise to check understanding about using two angles of elevation of a bird flying horizontally at a constant height to find its speed. |
| 10. | PYQ - Angle of elevation | Other | hard | 5 m. | This exercise is to check your knowledge about height and distances when angle of elevation is given. |