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if angle 0 is in quadrant I, what is the value of
sin 0?
(REST OF THE QUESTION IN SCREENSHOT)
please help me its due in a day!! I need proof or explanation

if angle 0 is in quadrant I what is the value of sin 0 REST OF THE QUESTION IN SCREENSHOT please help me its due in a day I need proof or explanation class=

Respuesta :

Answer:

[tex]the \: answer \: is \: c \: = - \frac{ \sqrt{14} }{5} [/tex]

Step-by-step explanation:

[tex] \sin^{2}0 + ( \frac{ \sqrt{11} }{5} ) ^{2} = 1( \sin^{2}0 + \cos^{2} 0 = 1)[/tex]

[tex] { \sin }^{2}0 + \frac{11}{25} = 1 \\ { \sin }^{2}0 = \frac{14}{25} [/tex]

[tex] \sin0_{1} = - \frac{ \sqrt{14}}{5} while \sin0_{2} = \frac{ \sqrt{14} }{5} [/tex]

  • Therfore theta is QI
  • Therfore sin theta >0
  • [tex]therefore \: \sin0 = \frac{ \sqrt{14} }{5} [/tex]