Foundational Algebra and Trigonometry: Quadratics to Complex Numbers — PickAClass
⏱ 2h 48m 📚 28 lessons

Foundational Algebra and Trigonometry: Quadratics to Complex Numbers

Build a strong mathematical foundation by mastering quadratic equations, trigonometric functions, and complex numbers through clear, step-by-step written explanations.

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About this course

Struggling to bridge the gap between basic algebra and advanced mathematics? Mastering quadratics, trigonometry, and complex numbers is the key to unlocking calculus, physics, and modern computational science. In this comprehensive written course, you will transition from a basic understanding of numbers to solving complex algebraic and geometric problems. You will develop the analytical skills needed to manipulate trigonometric identities, solve quadratic equations with real and imaginary roots, and confidently apply these concepts to real-world scenarios like wave mechanics and coordinate systems. What you'll learn: - Understand foundational mathematical definitions, terminology, and algebraic properties before diving into advanced problem-solving. - Solve quadratic equations using factoring, completing the square, and the quadratic formula, including cases with complex roots. - Apply trigonometric ratios, identities, and functions to analyze angles, triangles, and periodic wave patterns. - Master the algebra of complex numbers, including operations in both rectangular and polar forms. - Practice mathematical proofs and step-by-step derivations through structured written exercises. - Explore how these mathematical principles form the core foundations of modern computer graphics and signal processing. The course begins with essential terminology and fundamental definitions of equations and angles. From there, you will progress sequentially through quadratic theory, trigonometric relationships, and finally, the elegant world of complex numbers, practicing each concept with detailed written examples. This course is designed for beginners, high school students, self-learners, or anyone looking to refresh their mathematical foundations. No prior advanced math knowledge is required. Start reading today to build your mathematical confidence and unlock new analytical skills.

What you'll get

  • 📜 Certificate of completion
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundational Algebra and Trigonometry: Quadratics to Complex Numbers
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
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PickAClass — Name Surname
Foundational Algebra and Trigonometry: Quadratics to Complex Numbers
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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