DhunganaShreya
DhunganaShreya DhunganaShreya
  • 20-05-2021
  • Mathematics
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Sin⁴∅-Cos⁴∅/Sin∅-Cos∅=Sin∅+Cos∅​

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tasharosegibson tasharosegibson
  • 20-05-2021
whattt i don't get it lol
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Аноним Аноним
  • 20-05-2021

Consider LHS:

Simplify using half angle formula.

[tex] \frac{ \sin {}^{2} (x) - \cos {}^{2} (x) }{ \sin(x) - \cos(x) } = \sin(x) + \cos(x) [/tex]

Divide LHS

[tex] \sin(x) + \cos(x) = \sin(x) + \cos(x) [/tex]

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