Maths Poster - Trigonometric Ratio Poster - Classroom Décor - Physical Product

Trigonometric Ratios Classroom Poster – “Silly Old Harry Caught a Herring Trawling Off Alaska”

Brighten up your classroom with this beautifully designed Trigonometric Ratios Poster, the perfect way to help students remember their sine, cosine, and tangent formulas! Featuring the classic mnemonic “Silly Old Harry Caught a Herring Trawling Off Alaska,” this poster makes learning trigonometry fun, visual, and memorable.

Printed on premium 250 GSM glossy paper and sized at A3 (29.7 cm x 42 cm), this poster boasts vibrant colours, sharp details, and a professional finish—ideal for classroom walls, study spaces, or tutoring centres.

This maths wall art not only serves as an eye-catching display but also as a practical learning aid. Perfect for Junior Cycle, Leaving Cert, GCSE, A-Level, high school, or home-school maths classrooms, it reinforces the relationship between opposite, adjacent, and hypotenuse in right-angled triangles.

Features & Benefits

• 🧮 Educational & Engaging: Helps students easily recall sin = opposite/hypotenuse, cos = adjacent/hypotenuse, and tan = opposite/adjacent.

• 🎨 High-Quality Print: Professionally printed on 250 GSM glossy card for a sleek, durable finish.

• 📏 Perfect Classroom Size: A3 dimensions ensure visibility from across the room.

• 🏫 Ideal for Teachers & Students: Great for maths classrooms, study rooms, revision corners, and STEM displays.

• Designed & Printed in County Wexford, Ireland.