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12-12-2017
Mathematics

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help on precal, what are the answers?

help on precal what are the answers class=

Respuesta :

Edufirst Edufirst

12-12-2017

1) cscΘ = - 2

=>

1
------ = - 2
sinΘ

=> sinΘ = - 0.5 => Θ is in the third and fourth quadrant

=> Θ = 180° + 30° = 210°

and Θ = 360° + 30° = 330°

2) tan Θ = √3

=> Θ = 60° and Θ = 180° + 60° = 240°

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