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ramiroolivarez
hey there you just need to turn the one into (1+cosx)/(1`+cosx) and go from there 
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ItzStarzMe

Additional Information :

  • sin² θ + cos² θ = 1
  • sin² θ = 1 - cos²θ
  • sec²θ = 1 + tan²θ
  • cot²θ = cosec²θ - 1

★ Reciprocal identities :-

  • [tex] \red{\boxed{sin θ = \dfrac{1}{cosecθ}}}[/tex]
  • [tex]\red{\boxed{cosec θ = \dfrac{1}{ sin θ}}}[/tex]
  • [tex]\red{\boxed{cos θ = \dfrac{1}{ sec θ}}}[/tex]
  • [tex]\red{\boxed{sec θ = \dfrac{1}{cos θ}}}[/tex]
  • [tex]\red{\boxed{tan θ = \dfrac{1}{ cot θ}}}[/tex]
  • [tex]\red{\boxed{cot θ = \dfrac{1}{tan θ}}}[/tex]
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