4. Two forces of magnitudes 115N and 215N acting on a body have the resultant force of magnitude 275N. Find the angle between the direction of two forces acting on the body.

Solution

SAS : Two sides and given angle included between the two sides.

Index

3. 1 Solving Right Triangles
3. 2 Law of Cosines
3. 3 Law of Sines
3. 4 The Ambiguous Case of Law of Sines
3. 5 Areas of Triangles
Supplementary Problems

Chapter 4