This tutorial is set for year ten students (15 years old). It briefly explains how to calculate an unknown angle in a right-angle triangle.

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Space Flight Mechanics by Dr. Manoranjan Sinha, Department of Aerospace Engineering, IITKharagpur. For more details on NPTEL visit http://nptel.iitm.ac.in

Visit http://ilectureonline.com for more math and science lectures! In this video I will find the value of the area of a triangle, A=?, in a 3-dimensional space, give the 3 vertices of the triangle, P1=(2,2,0), P2(-1,0,2), P3(0,4,3). Next video in the series can be seen at: https://youtu.be/EkgrZPun1_w

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