logging in or signing up applications of trignometry ramarao.velury Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 7144 Category: Education License: All Rights Reserved Like it (10) Dislike it (0) Added: August 26, 2008 This Presentation is Public Favorites: 6 Presentation Description this gives a 15yr old maths student some fundamentals of applications of trignometry Comments Posting comment... Premium member Presentation Transcript Applications of Trigonometry : Applications of Trigonometry Lesson 12: CBSE Text book, 2008 S Chand & Co FUNDAMENTALS : FUNDAMENTALS If θ is an angle The 90-θ is it’s complimentary angle Angle of elevation Angle of depression 12.1/10 : 12.1/10 θ φ C B A D E12.1/14 : E12.1/14 45 60 12 h d Pl show how you will do this division E12.1/14 : E12.1/14 30 45 12 h d h-12 E12.1/26 : E12.1/26 30 45 7 h d E12.1/28 : E12.1/28 3500mtrs 45 3500mtrs 30 h Some Problem : Some Problem The angle of elevation of the top of a tower from a point At the foot of the tower is 300 . And after advancing 150mtrs Towards the foot of the tower, the angle of elevation becomes 600 .Find the height of the tower 150 h d 30 60 12.1/38 : 12.1/38 E12.1/49 : E12.1/49 α β h d x x E12.1/58-1 : E12.1/58-1 0.5 1.5 60 L E12.1/58-2 : E12.1/58-2 0.5 1.5 60 L 0.5 0.5 0.5 L1 L2 L1 Problem: : Problem: A boy 1.6m tall can just see the sun over a wall 3.7m high Which is 2.1m away from him. Find the angle elevation of the sun 1.6 3.7 θ A C B D AB=3.7-1.6=2.1 2.1 Tanθ=2.1/2.1=1 Hence θ=450 E12.1/52 : E12.1/52 β b d h O A B C D β Thanks for your attention : Thanks for your attention You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
applications of trignometry ramarao.velury Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 7144 Category: Education License: All Rights Reserved Like it (10) Dislike it (0) Added: August 26, 2008 This Presentation is Public Favorites: 6 Presentation Description this gives a 15yr old maths student some fundamentals of applications of trignometry Comments Posting comment... Premium member Presentation Transcript Applications of Trigonometry : Applications of Trigonometry Lesson 12: CBSE Text book, 2008 S Chand & Co FUNDAMENTALS : FUNDAMENTALS If θ is an angle The 90-θ is it’s complimentary angle Angle of elevation Angle of depression 12.1/10 : 12.1/10 θ φ C B A D E12.1/14 : E12.1/14 45 60 12 h d Pl show how you will do this division E12.1/14 : E12.1/14 30 45 12 h d h-12 E12.1/26 : E12.1/26 30 45 7 h d E12.1/28 : E12.1/28 3500mtrs 45 3500mtrs 30 h Some Problem : Some Problem The angle of elevation of the top of a tower from a point At the foot of the tower is 300 . And after advancing 150mtrs Towards the foot of the tower, the angle of elevation becomes 600 .Find the height of the tower 150 h d 30 60 12.1/38 : 12.1/38 E12.1/49 : E12.1/49 α β h d x x E12.1/58-1 : E12.1/58-1 0.5 1.5 60 L E12.1/58-2 : E12.1/58-2 0.5 1.5 60 L 0.5 0.5 0.5 L1 L2 L1 Problem: : Problem: A boy 1.6m tall can just see the sun over a wall 3.7m high Which is 2.1m away from him. Find the angle elevation of the sun 1.6 3.7 θ A C B D AB=3.7-1.6=2.1 2.1 Tanθ=2.1/2.1=1 Hence θ=450 E12.1/52 : E12.1/52 β b d h O A B C D β Thanks for your attention : Thanks for your attention