Angles and the Trigonometric Functions

Trigonometric Functions graphs, Inverse Trigonometric Functions

Trigonometric Identities and Equations

Laws of Sines, Cosines and Vectors

Complex Numbers, Polar Coordinates and Parametric Equations

In Exercises 9–16, solve each triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.

A = 85°, B = 35°, c = 30

Law of Sines - Application/Word Problem, Ex 1

Law of Sines (SSA) 1 Triangle

The Law of Sines

Law of Sines Ambiguous Case (SSA): 0 Triangles

The Law of Sines, Example 1

Law of Sines: A Quick Example

Area of Oblique Triangles

Oblique Word Problems

In Exercises 33–38, find the area of the triangle having the given measurements. Round to the nearest square unit.

C = 102°, a = 16 meters, b = 20 meters

In Exercises 9–16, solve each triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.

B = 80°, C = 10°, a = 8

Side Angle Side for Triangles, Finding Missing Sides/Angles, Example 1

Application Problem Solved Using the Law of Sines

Solving a Triangle, SSA, Example 2

In Exercises 33–38, find the area of the triangle having the given measurements. Round to the nearest square unit.

B = 125°, a = 8 yards, c = 5 yards

Law of Sines - Application/Word Problem, Ex 3

Law of Sines, Example 3

Use the Law of Sines to Solve Oblique Triangles

ASA Example

Use the Law of Sines to Determine a Side Length

In Exercises 33–38, find the area of the triangle having the given measurements. Round to the nearest square unit.

A = 22°, b = 20 feet, c = 50 feet

The Law of Sines SSA no triangle

How to Find the Area of a Triangle with Trigonometry

Ambiguous Case Word Problem

Find the area of an oblique triangle using a formula

The Law of Sines, Example 2

Example:  Solve a Triangle Using the Law of Sines

Using the law of sines to solve a triangle with SSA - One Triangle

Law of Sines - Application / Word Problem, Ex 2

Solving AAS and ASA Triangles

Law of Sines

In Exercises 9–16, solve each triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.

A = 56°, C = 24°, a = 22

Law of Sines Word Problem 

Side Angle Side for Triangles, Finding Missing Sides/Angles, Example 2

Area of a triangle using sine

Solve Word Problem with Bearings | Law of Sines AAS

Solving a Triangle, SSA, Example 1

Law of Sines - SSA - Two Triangles

In Exercises 9–16, solve each triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.

B = 5°, C = 125°, b = 200

Law of Sines - Application/Word Problem

Find the area of an oblique triangle using the sine function

Law of Sines - Given Two Angles and a Non-Included Side

The Law of Sines: A Word Problem to Find Height

This course covers topics including trigonometric functions (with graphs and inverse functions), identities and equations, solutions of triangles, complex numbers and more.

College Trigonometry

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Use the Law of Sines to Solve, if Possible, the Triangle or Triangles in the Ambiguous Case

Find the Area of an Oblique Triangle Using the Sine Function

Solve Applied Problems Using the Law of Sines

Find the Dot Product of Two Vectors

Find the Angle Between Two Vectors

Use the Dot Product to Determine if Two Vectors Are Orthogonal

Find the Projection of a Vector onto Another Vector

Express a Vector as the Sum of Two Orthogonal Vectors

Compute Work

The Dot Product

Use Magnitude and Direction to Show Vectors Are Equal

Visualize Scalar Multiplication, Vector Addition, and Vector Subtraction as Geometric Vectors

Represent Vectors in the Rectangular Coordinate System

Perform Operations with Vectors in Terms of i and j

Find the Unit Vector in the Direction of v

Write a Vector in Terms of Its Magnitude and Direction

Solve Applied Problems Involving Vectors

Vectors

Use the Law of Cosines to Solve Oblique Triangles

Solve Applied Problems Using the Law of Cosines

Use Heron's Formula to Find the Area of a Triangle

The Law of Cosines

General Chemistry

Jules

Classification of Matter (1)

Classification of Matter (2)

Classification of Matter - Example

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

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Introduction to Units & the SI System

Metric Prefixes

Scientific Notation

General Biology

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Introduction to Biology

Unicellular vs. Multicellular

Characteristics of Life

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

Anatomy & Physiology

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College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

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Genetics

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GOB Chemistry

Dive deep into General, Organic, and Biological Chemistry with videos, practice problems, and more.

Intro to Chemistry

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Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

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Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Biochemistry

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Building Great Presentations

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Critical Thinking And Problem Solving

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Nicole Tetreault, PhD

Emotional Intelligence Basics

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Enhancing Your Critical Thinking Skills

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Habits To Win Every Day

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Having Powerful Advanced Conversations

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Leadership Skills For Rising Stars

Listening To Lead

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Making Decisions Under Uncertainty

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Mistakes To Avoid When Resolving Conflict

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Overcoming Decision Making Traps

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Unleash And Advance Your Creativity

Winning Collaboration: How To Work More Effectively With Different Personalities