olivetree163 olivetree163
  • 13-02-2021
  • Mathematics
contestada

in which quadrant does angle theta lie if csc theta <0 and cot theta<0?

Respuesta :

Аноним Аноним
  • 13-02-2021

Answer:

[tex] \csc( \alpha ) < 0[/tex]

=>

[tex] \frac{1}{ \sin( \alpha ) } < 0[/tex]

=>

[tex] \sin( \alpha ) < 0[/tex]

we also have:

[tex] \cot( \alpha ) < 0[/tex]

[tex] = > \frac{ \cos( \alpha ) }{ \sin( \alpha ) } < 0[/tex]

but sin < 0 (proven)

[tex] = > \cos( \alpha ) < 0[/tex]

=> angle theta is in the 3rd quadrant

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abortmission
abortmission abortmission
  • 20-01-2022

Answer:

Quadrant IV (4)

Step-by-step explanation:

I did the test and the other person was wrong.

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