วันพฤหัสบดีที่ 16 กุมภาพันธ์ พ.ศ. 2555

Assignment : Application Trigonometry

1. Make a group 4 students.
2. Then find the high of many things i.e. roof of stadiam, top of building, flag pole etc.
3. Record by video and report paper.
4. Due date on  27 February 2012.

Note : Please list your member's name, class and number in blog comment below:

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Picture I


Picture J
You can learning this video :How to find the high?