penyelesaian turunan 1/ arcsin x

y= 1/arcsin x = sin x
y' = cos x

y = arcsin x
x = sin y
d/dx (x) = d/dx (sin y)
1 = cosy . dy/dx
dy/dx = 1/cos y
        = 1/√(1 - sin²y)
         = 1/√(1-x²)

trunan dari 1/arcsin x
= -1 .(arcsin⁻²x) . d/dx (arcsin x)
= -1 / [√(1-x²) . arcsin²x]