Aurongallion2002
Aurongallion2002 Aurongallion2002
  • 06-11-2020
  • Mathematics
contestada

prove that cotx + coty = sin(x+y)/sin x sin y

Respuesta :

sks056
sks056 sks056
  • 06-11-2020

Answer:

change L.H.S in terms of sin and cos

Step-by-step explanation:

so we know cot x= cos x/sin x. so similarly we have cot y = cos y / sin y. since we have our cot in terms of cosine and sine, get a L.C.M and solve it further.

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