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5 Cards in this Set

  • Front
  • Back

a³ ± b³

(a ± b)(a² ∓ ab + b²)

tg(x) ± tg(y)

sin(x ± y)


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cos(x)cos(y)

a^4 + b^4

(a² + b²)² - 2a²b²

a² + b²

(a + b)² - 2ab

(a ± 1/a)²

a² + 1/a² ± 2