BhushanPaswan
BhushanPaswan BhushanPaswan
  • 06-07-2019
  • Mathematics
contestada

prove that cos^2A+sin^2A.cos2B=cos^2B+sin^2B.cos2A​

Respuesta :

r3t40
r3t40 r3t40
  • 06-07-2019

Notice that both sides of the equation have a similar form. If we ignore angle functions we end up with,

[tex]A+A\cdot B=B+B\cdot A[/tex]

That is true if condition [tex]A=B[/tex] is met.

Otherwise it is false.

Hope this helps.

r3t40

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