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Trigonometry for Normal People: a step-by-step guide (no skipped steps) by Gabriel Beguerie

Trigonometry for Normal People: a step-by-step guide (no skipped steps)

by Gabriel Beguerie
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Book cover type: Paperback
  • ISBN13: 9798249133252
  • Binding: Paperback
  • Subject: N/A
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Publication Date:
  • Pages: 132
  • Original Price: GBP 13.34
  • Language: English
  • Edition: N/A
  • Item Weight: 323 grams
  • BISAC Subject(s): Mathematics / Geometry

Are you tired of math books that "skip steps" right when you need them most?

Do radians, the unit circle, and quadrant signs feel like arbitrary rules you're supposed to memorize?

Does one wrong calculator setting (DEG vs RAD) blow up an entire exercise?

Trigonometry for Normal People is built for students who want trigonometry to make sense-with clear reasoning, practical procedures, and zero magic leaps. This isn't written for professors. It's written for learners who need the why and the how, explained in plain, natural English.

What makes this book different?

- No steps skipped: every transformation and calculation is shown. No "it follows that..." with the key step missing.
- The unit circle without mysticism: radians, reference angles, and quadrant signs explained logically, not as random memorization.
- Repeatable recipes: reliable methods for identities, equations, and graphs-so you know exactly what to do on a test.
- Error-proofing built in: quick "sanity checks" to catch common mistakes (especially DEG/RAD and sign errors).
- Real practice + full solutions: exercises throughout, plus a dedicated step-by-step solutions chapter to compare your reasoning.

You'll learn (the useful way)

- Degrees vs radians-and when each one matters
- The unit circle and special angles
- Sine, cosine, and tangent as functions: meaning and graphs
- Transformations (A, B, C, D) (amplitude, period, shifts) and how to read a trig function from its graph
- Core identities (including the Pythagorean identity) and how to use them cleanly
- Trig equations and general solutions
- Triangles: Law of Sines, Law of Cosines, and tricky cases (including SSA)
- Vectors and the dot product (a strong bridge to physics and geometry)
- Optional extensions: key trig limits, polar coordinates, and complex numbers in polar form (depending on edition)

Ideal for

- High school students who want a solid foundation
- First-year university students (engineering, physics, economics, computer science)
- Adults returning to math who want a clear, structured path

Stop guessing. Start understanding. Scroll up and get your copy today.

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