Respuesta :

First use a analogy

SOH CAH TOA

Or remember Some Old Hippie Caught Another Hippie Tripping On Asphalt

SOH - Opposite/Hypotenuse

CAH- Adjacent (next to)/Hypotenuse

TOA - Opposite/Adjacent (next to)

Sin(A) - opposite (25)/Hypotenuse (32)

25/32 = 0.78125 or 25/32 (already in simplest form)

Cos - Adjacent(12)/Hypotenuse(32)

12/32= 0.375 or 3/8