lseidler86
lseidler86
19-02-2017
Mathematics
contestada
csc(x)*sec(x)-tan(x) how do i simplify this
Respuesta :
padawan
padawan
19-02-2017
Csc(x)*sec(x)-tan(x)
= (1/cos)(1/sin) - sin/cos
= 1/cos (1/sin - sin)
= 1/cos([1-sin^2)/sin])
= 1/cos(cos^2/sin)
= cos/sin = cot
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