Edexcel IGCSE Maths 復習筆記 4.9.2 3D Pythagoras & SOHCAHTOA
Edexcel IGCSE Maths 復習筆記 4.9.2 3D Pythagoras & SOHCAHTOA What are Pythagoras & SOHCAHTOA? Pythagoras’ Theorem?helps us find missing side lengths of a right-angled triangle It is also fr...
Edexcel IGCSE Maths 復習筆記 4.9.1 SOHCAHTOA
Edexcel IGCSE Maths 復習筆記 4.9.1 SOHCAHTOA What is SOHCAHTOA? SOHCAHTOA is a mnemonic – ie a way to remember the 3 important formulas for sin (sine), cos (cosine), and tan (tangent) In a right-an...
Edexcel IGCSE Maths 復習筆記 4.8.1 Pythagoras Theorem
Edexcel IGCSE Maths 復習筆記 4.8.1 Pythagoras Theorem What is Pythagoras? Pythagoras was a Greek mathematician who lived over 2500 years ago He is most famous for Pythagoras’ Theorem, which include...
Edexcel IGCSE Maths 復習筆記 4.7.1 Intersecting Chord Theorem
Edexcel IGCSE Maths 復習筆記 4.7.1 Intersecting Chord Theorem What are circle theorems? Circle?theorems?are?angle?(and?distance)?properties?that arise when lines and shapes drawn within or connecte...
Edexcel IGCSE Maths 復習筆記 4.6.4 Circle Theorems - Alternate Segment
Edexcel IGCSE Maths 復習筆記 4.6.4 Circle Theorems - Alternate Segment What you need to know Alternate Segment Theorem The Alternate Segment Theorem states that the angle betwe...
Edexcel IGCSE Maths 復習筆記 4.6.3 Circle Theorems - Cyclic Quadrilaterals
Edexcel IGCSE Maths 復習筆記 4.6.3 Circle Theorems - Cyclic Quadrilaterals More advanced circle theorems 1. Opposite angles in a cyclic quadrilateral add up to 180° Double-check is that all ...
Edexcel IGCSE Maths 復習筆記 4.6.2 Circle Theorems - Tangents
Edexcel IGCSE Maths 復習筆記 4.6.2 Circle Theorems - Tangents What do I need to know about tangents 1. A radius and a tangent are perpendicular Note that?perpendicular?lines meet at right angles &n...
Edexcel IGCSE Maths 復習筆記 4.6.1 Circle Theorems - Angles at Centre & Circumference
Edexcel IGCSE Maths 復習筆記 4.6.1 Circle Theorems - Angles at Centre & Circumference What are circle theorems? You will have learned a lot of angle facts for your GCSE – angles in polygons, an...
Edexcel IGCSE Maths 復習筆記 4.5.1 Loci & Construction
Edexcel IGCSE Maths 復習筆記 4.5.1 Loci & Construction What are loci and constructions? A?locus?(loci?is plural) is a line/shape/path that is determined by following a rule – eg. always being 2...
