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In this course, we will cover all of the solutions for the Trigonometry Practice Tests on GreeneMath.com. We will cover the trigonometric functions and basic concepts, right triangles, the unit circle, graphing trig functions, trigonometric identities, solving trigonometric equations, solving oblique triangles using the law of sines/cosines, vectors, complex numbers, and work with the polar coordinate system.

00:00:00 Angles
00:08:12 Degrees, Minutes, Seconds
00:31:20 Coterminal Angles
00:37:44 Similar Triangles
00:55:18 Trigonometric Functions
01:15:10 Reciprocal Identities
01:52:48 Pythagorean Identities
02:23:48 Trigonometric Functions of Acute Angles
02:43:26 Trigonometric Functions of Non-Acute Angles
03:05:35 Estimating Trigonometric Function Values
03:21:14 Solving Right Triangles
04:05:01 Radian Measure
04:15:35 Arc Length on a Circle
04:33:33 Unit Circle and Circular Functions
04:48:02 Linear and Angular Speed
05:10:58 Graphing Sine and Cosine
06:27:37 Graphing Tangent and Cotangent
08:03:12 Graphing Secant and Cosecant
09:16:26 Fundamental Identities
09:54:19 Verifying Trigonometric Identities
10:12:48 Sum and Difference Identities for Cosine
10:45:51 Sum and Difference Identities for Sine and Tangent
11:26:15 Double-Angle, Product-to-Sum, and Sum-to-Product Identities
11:57:13 Half-Angle Identities
12:37:47 Inverse Trigonometric Functions
13:27:36 Solving Trigonometric Equations Part 1 (Linear)
14:10:06 Solving Trigonometric Equations Part 2 (Factoring)
14:53:03 Solving Trigonometric Equations Part 3 (Identities)
15:38:41 Solving Trigonometric Equations Part 4 (Half-Angles)
18:11:34 Solving Trigonometric Equations Part 5 (Multiple Angles)
19:32:31 Solving Trigonometric Equations Part 6 (Inverse Trig Functions)
21:18:43 Solving Trigonometric Inequalities
22:42:50 Law of Sines (Oblique Triangles) and Area of a Triangle
23:11:58 Law of Sines (Ambiguous Case)
24:02:03 Law of Cosines and Heron's Formula
25:00:55 Introduction to Vectors (Magnitude and Direction Angle)
25:28:39 Operations with Vectors
25:52:48 Dot Product and Angle Between Vectors
26:24:49 Review of Complex Numbers
26:59:50 Polar Form of a Complex Number
27:33:17 The Product and Quotient Theorem
28:04:13 De Moivre's Theorem
28:55:56 Polar Coordinates
29:26:42 Distance Between Polar Points
29:54:18 Lines in Polar Form
30:33:24 Circles in Polar Form
31:25:26 Inclination of a Line

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