alibbaisan5terezd alibbaisan5terezd

05-08-2016
Mathematics

contestada

Find the exact value of
cot(11pi/6)
cos(11pi/6)
csc(11pi/6)

Respuesta :

HomertheGenius HomertheGenius

05-08-2016

A) cot ( 11π/6 ) = cot ( 2π - π/6 ) = cot ( - π/6 ) = -√3
B ) cos ( 11π/6 ) = cos ( -π/3 ) = √3/2
C ) csc ( 11π/6 ) = 1 / sin ( 11π/6 ) = 1/ sin ( -π/6 ) = 1/(-1/2) = - 2

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