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🌟🌟🌟🌟🌟 \"Very clear instruction, great content, great presentation, and thorough curriculum totally covering everything that someone looking to learn Trigonometry will be offered here. Definitely a great buy!\"\n

🌟🌟🌟🌟🌟 \"Amazed how well the concepts are presented and explained. Makes you think about them in a very logical manner. I am enjoying this course.\"\n

The curriculum includes:\n

Angles
1. Naming angles
2. Complementary and supplementary angles
3. Positive and negative angles
4. Quadrant of the angle
5. Degrees, radians, and DMS
6. Coterminal angles
The six trig functions\n\t
1. Sine, cosine, and tangent
2. Cosecant, secant, cotangent, and the reciprocal identities
3. The quotient identities
4. The Pythagorean identities
5. Signs by quadrant
6. When the trig functions are undefined
The unit circle
1. The unit circle
2. Negative angles and angles more than one rotation
3. Coterminal angles in a particular interval
4. Reference angles
5. Symmetry across axes
6. Even-odd identities
7. The set of all possible angles
8. Points not on the unit circle
9. Solving right triangles
10. Angles of elevation and depression
Angles in circles
1. Radians and arc length
2. Area of a circular sector
3. Trig functions of real numbers
4. Linear and angular velocity
5. Relating linear and angular velocity
Graphing trig functions\n\t
1. Sketching sine and cosine
2. Sketching cosecant and secant
3. Period and amplitude
4. Sketching tangent and cotangent
5. Horizontal and vertical shifts
6. Graphing transformations
7. Graphing combinations
Inverse trig functions
1. Inverse trig relations
2. Inverse trig functions
3. Trig functions of inverse trig functions
Trig identities
1. Sum-difference identities for sine and cosine
2. Cofunction identities
3. Sum-difference identities for tangent
4. Double-angle identities
5. Half-angle identities
6. Product-to-sum identities
7. Sum-to-product identities
8. Proving the trig equation
9. Complete solution set of the equation
The law of sines and law of cosines
1. Law of sines
2. The ambiguous case of the law of sines
3. Area from the law of sines
4. Law of cosines
5. Heron's formula

About the Author
\n

Krista King is a math tutor, online educator, and the creator of KristaKingMath.com. Her YouTube channel has more than 43.5 million views, and her online courses have helped more than 244,000 students.

\"Krista is very very quick to respond. I've had a few questions and I usually didn't have to wait much longer than a day to get an answer. Not only that, but she obviously spent time answering to make sure I understood the content. The only thing that I am disappointed in is that she doesn't have anything after Calc 3!\" - Morgan Gray\n

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Trigonometry, and every other Krista King Math course
Step-by-step videos
Course notes and flashcards
Practice quizzes
Bonus practice workbooks
Comprehensive formula sheets
Summary study sheets
Practice final exams

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