Chapter 6 Videos

Chapter 6 Additional Topic in Trigonometry

Section 6.1 Law of Sines

• Video: Use the Law of Sines to Solve Oblique Triangles (AAS or ASA)

• Video: Use the Law of Sines to Solve Oblique Triangles (AAS or ASA)

• Video: Use the Law of Sines to Solve Oblique Triangles (SSA) 

Section 6.2 Law of Cosines

• Video: Use the Law of Cosines to Solve Oblique Triangles (SSS or SAS) 

Section 6.3 Vectors in the Plane

• Video: Represent Vectors as Directed Line Segments

• Video: Write the Component forms of Vectors

• Video: Vector Operations

• Video: Write Vectors As Linear Combinations of Unit Vectors

• Video: Find the Direction Angles of Vectors

• Video: Use Vectors to Model and Solve Real-Life Problems

• Video: Use Vectors to Model and Solve Real-Life Problems 

Section 6.4 Vectors and Dot Products

• Video: the Dot Product of Two Vectors

• Video: Find the Angle between Two Vectors and Determine Whether Two Vectors Are orthogonal

• Video: Find the Angle between Two Vectors and Determine Whether Two Vectors Are orthogonal

• Video: Write a Vector as the Sum of Two Vector Components

• Video: Scalar Projection of a Vector

• Video: Scalar Projection of a Vector

• Video: Scalar Projection of a Vector

• Video: Use Vectors to Find the Work done by a Force

• Video: Vectors- Application-Work 

Section 6.5 Trigonometric Form of a Complex Number

• Video: Absolute Value of a Complex Number

• Video: Write the Trigonometric Forms of Complex Numbers

• Video: Multiply and Divide Complex Numbers Written in Trigonometric Form

• Video: Use DeMoivre’s Theorem to Find Powers of Complex Numbers

• Video: Find nth Roots of Complex Numbers