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Learn Trigonometry, earn certificates with free online courses from Johns Hopkins, UC Irvine, The Open University, UT Austin and other top universities around the world. Read reviews to decide if a class is right for you.
Learn Trigonometry in 10 hours with Tyler Wallace, covering topics from angles, laws of sines and cosines, to polar coordinates and geometric series.
Improve your understanding of trigonometric identities with Brian McLogan's concise, practical math tutorials. Learn through 24 examples in under an hour.
Ramp up on the fundamentals of trigonometry as you master identities, polar graphic, and solving triangles.
Dive into trigonometry fundamentals with 3Blue1Brown's engaging 1-2 hour material, featuring interactive questions, graphing, and advanced functions.
Learn to simplify integrals using trigonometric substitution with Krista King. Understand when and how to use sine, tangent, or secant substitutions in less than an hour.
Brian McLogan offers a concise review of right triangles, covering Pythagorean theorem, special right triangles, and trigonometry in under an hour.
Master trigonometric identities with Krista King in under an hour. Learn to remember, derive, and apply various identities to simplify trigonometric expressions.
Explore trigonometry functions, patterns, and rules with MooMooMath and Science. Solve real-world problems using trigonometry in less than an hour.
Master factoring trinomials using reverse FOIL method with GreeneMath.com's step-by-step solutions. Less than 1-hour commitment for 10 problems.
Master factoring trinomials using the AC method with GreeneMath.com's step-by-step video solutions, all in under an hour.
Learn to sketch sine and cosine graphs with transformations in this 1-2 hour lesson from GreeneMath.com. Understand periodic functions, phase shifts, and amplitude.
Learn to calculate line inclination, angle between two lines, and distance from a point to a line in under an hour with GreeneMath.com.
Learn to convert and graph circles in polar form with GreeneMath.com's concise, under 1-hour lesson, covering various scenarios including circles centered at the origin and on the x/y-axis.
Learn to solve oblique triangles using the law of cosines and calculate triangle areas with Heron's formula in under an hour with GreeneMath.com.
Learn to solve trigonometric equations using inverse functions in less than an hour with GreeneMath.com. Understand function composition and work with trigonometric function inverses.
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