Trigonometry
Grades 10–11
Sine, cosine, tangent — and the identities, laws, and unit circle that unlock calculus. The course where memorisation ends and pattern recognition begins.
Key Skills
- Unit circle
- Right-triangle trigonometry
- Trig identities
- Law of sines and cosines
- Inverse functions
Choose Your Level
Elementary (Grades 3–5)
Grades 3–5
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Middle School (Grades 6–8)
Grades 6–8
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High School Introductory
Grades 9–10
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High School Advanced
Grades 10–12
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AP / College Prep
Grades 11–12
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College Freshman
First year of university
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Prerequisites
Exam Relevance
- SAT Math (Level 2)
- ACT Math
- AP Calculus BC