Determine valor de x : a) cox = √2/2
b) tg x = - √3
c) 2. sen x = -1, para 0<x<2π
d) 1 + co x = 0, para -π <x< π
e) sen x= √2
f) sec x = √2
b) tg x = - √3
c) 2. sen x = -1, para 0<x<2π
d) 1 + co x = 0, para -π <x< π
e) sen x= √2
f) sec x = √2
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