Question

Turunan dari y : csc x sec x

Answer 1

Misal:
u=csc x --> u'=-csc x cot x
v=sec x --> v'=sec x tan x
y'=u'v+uv'
y'=-csc x cot x sec x + csc x sec x tan x
y'=-1/sin x * cos x/sin x * 1/cos x + 1/sin x * 1/cos x * sin x/cos x
y'=-1/sin²x + 1/cos²x
y'=-csc²x + sec²x