How to remember Trignometry Ratio's Formulae easily:
Old Harry And His Old Aunt
O - Opposite Side
A - Adjacent Side
H - Hypotenuse
Old Harry And His Old Aunt
O - Opposite Side
A - Adjacent Side
H - Hypotenuse
Sinθ = Old / Harry
Cosθ = And / His
Tanθ = Old / Aunt
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