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The Series Finale of Online Education: Coursera Acquires Udemy

$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.

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Trigonometry

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FuseSchool - Global Education
GCSE Trigonometry - Complete Course from Basic Concepts to Advanced Applications

Master GCSE-level trigonometry from right triangle basics to advanced applications including SOHCAHTOA, sine/cosine rules, exact values, and 3D problems.
- YouTube
- 1 hour
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MySecretMathTutor
Comprehensive Trigonometry Course - Functions, Identities, and Applications

Master fundamental trigonometric concepts from basic functions to complex identities, including graphing, transformations, and real-world applications in this comprehensive tutorial.
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The Organic Chemistry Tutor
Sum and Difference Identities and Formulas - Sine, Cosine, Tangent - Degrees and Radians, Trigonometry

Learn to apply sum and difference identities for sine, cosine, and tangent functions in degrees and radians, enhancing your ability to evaluate complex trigonometric expressions.
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eHowEducation
Math Problems and Trigonometry - Multiple Topics Including Integration, Chain Rule, and Fibonacci Numbers

Master diverse mathematical concepts from multiplication techniques to calculus integration and trigonometric functions in this comprehensive tutorial series.
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Krista King
Trigonometry - Angles, Functions, Laws, Unit Circle, Graphing, and Identities

Master the six trig functions, unit circle, graphing, identities, and laws of sines/cosines through comprehensive problem-solving and real-world applications.
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How to Use the Law of Sines in Trigonometry

Learn to apply the Law of Sines to solve oblique triangles, finding missing sides and angles. Gain practical skills for trigonometry problem-solving in this comprehensive tutorial.
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How to Use the Double and Half Angle Formulas for Trigonometry

Comprehensive tutorial on applying double and half angle formulas in trigonometry, featuring numerous practical examples to enhance understanding and problem-solving skills.
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Proving the Double and Half Angle Formulas for Trigonometry

Explore proofs of double and half angle formulas for sine, cosine, and tangent, enhancing understanding of trigonometric identities and their derivations.
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Introduction to Sum and Difference Formulas in Trigonometry

Learn sum and difference formulas for sine, cosine, and tangent, their derivations, and applications in solving complex trigonometric problems beyond the unit circle.
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Introduction to Using Trigonometric Identities - Precalculus - Trigonometry

Explore basic trigonometric identities including Pythagorean, reciprocal, and even/odd identities. Learn how to apply these fundamental concepts in trigonometry and precalculus.
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How to Graph Phase Shifts of Trigonometric Functions - Precalculus - Trigonometry

Learn to perform horizontal shifts on trigonometric functions, focusing on sine and cosine. Master phase shifts and horizontal translations applicable to all trig functions.
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How to Graph Cosecant and Secant - Precalculus - Trigonometry

Explore graphing secant and cosecant functions, their relationships with sine and cosine, and learn about function transformations in trigonometry.
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Graphing Transformations with Tangent and Cotangent - Precalculus - Trigonometry

Explore graphing techniques for tangent and cotangent functions, including vertical translation, amplitude, reflection, and period manipulation in trigonometry.
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Graphing Transformations with Sine and Cosine - Precalculus - Trigonometry

Learn to graph sine and cosine functions with various transformations, mastering vertical shifts, stretches, and reflections for a solid foundation in trigonometry.
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Reciprocal Identities in Trigonometry - Precalculus - Trigonometry

Explore reciprocal identities in trigonometry, connecting unit circle concepts with right triangle trigonometry for a deeper understanding of these fundamental relationships.
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