Trigonometry Puns Coaster Set

Who knew math could be so much pun?

A set of four coasters featuring the graphs of trigonometry functions:  Sine (what’s your sine?), Cosine (just cos), Tangent (on a tangent), Secant (secant to none). Designs are printed on a heat-resistant FDA approved food-safe material called Pet-G with a layer of cork at the bottom for a non-slip grip.

The perfect set for your office desk, coffee table or kitchen table. Makes a great gift! 

Size: 3.75 x 3.75 x 0.125 inches
Quantity: 4 coasters

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