“Some Old Hippy Caught Another Hippy Tripping On Acid.”

Mnemonic Device:

• “Some Old Hippy Caught Another Hippy Tripping On Acid.”

Explanation: to remember Sine, Cosine and Tangent, and their ratios, in Trigonometry

• Sine = Opposite/Hypotenuse
• Cosine = Adjacent/Hypotenuse
• Tangent = Opposite/Adjacent