Sylvia: Oblicz log₁₆sin 5π/6

Eta: więc tak! 5π/6 = π- π/6 sin 5π/6 = sin(π - π/6) = sinπ/6 = sin 30^o = 1/2 czyli log₁₆(1/2) = x to 16^x = 1/2 (2)^4x= (2)^-1 to 4x = -1 x = - 1/4 czyli log₁₆{sin5π/6} = - 1/4