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Formula Sheet

Trigonometric Functions — Formula Sheet

AEEE · Mathematics

Free Trigonometric Functions formula sheet for AEEE Mathematics 2026 — all important formulas, equations, and constants for quick reference.

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A diagram illustrating the definition of an angle as a measure of rotation, showing the initial side, terminal side, and vertex. It clearly distinguishes between positive (anti-clockwise) and negative
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Formula Sheet — Trigonometric Functions

Important formulas and equations from Trigonometric Functions for AEEE Mathematics.

Formulas — Trigonometric Functions

Angle Measurement & Basic Conversions

π radians = 180°
1 radian = (180/π)° ≈ 57.3°
1 degree = (π/180) radians
Arc length = rθ

Fundamental Trigonometric Functions

sin θ = opposite/hypotenuse
cos θ = adjacent/hypotenuse
tan θ = opposite/adjacent = sin θ/cos θ
cosec θ = 1/sin θ
sec θ = 1/cos θ

Standard Angle Values

Fundamental Identities

sin²θ + cos²θ = 1
1 + tan²θ = sec²θ
1 + cot²θ = cosec²θ
tan θ = sin θ/cos θ
cot θ = cos θ/sin θ

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Frequently Asked Questions

What topics are covered in Trigonometric Functions for AEEE?
Trigonometric Functions is an important chapter in AEEE Mathematics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Angles and Their Measurements, Trigonometric Functions and Their Properties, Trigonometric Identities and Allied Angles, Addition and Subtraction Formulas.
How important is Trigonometric Functions for AEEE?
Trigonometric Functions is a frequently tested chapter in AEEE Mathematics. Questions from this chapter appear regularly in previous year papers. There are 557 practice questions available for this chapter.
How to prepare Trigonometric Functions for AEEE?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.

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