Question

Dados tg x = 1 e tg y = 1⁄2, determine a tg(x –y)

Answer 1

Resposta:

tg(x-y) = 1/3

Explicação passo-a-passo:

tg(x-y) = ( 1 - 1/2 ) / ( 1 + 1 × 1/2)

tg(x-y) = ( 1/2) / ( 1 + 1/2)

tg(x-y) = (1/2) / (3/2)

tg(x-y) = 1/2 × 2/3

tg(x-y) = 2/6 = 1/3