sanijsth7879 sanijsth7879
  • 25-12-2020
  • Mathematics
contestada

Prove that :-
1+tan 4 A tan2A = seca A​

Respuesta :

angelicahale
angelicahale angelicahale
  • 25-12-2020

Answer:

seca A

Step-by-step explanation:

Use z=a+bi=|z|(cos(θ)+isin(θ))z=a+bi=|z|(cos(θ)+isin(θ)) to find the trigonometric form.

√tan(4A)tan2(2A)+1(cos(arctan(tan(4A)tan(2A)1))+isin(arctan(tan(4A)tan(2A)1)))tan(4A)tan2(2A)+1(cos(arctan(tan(4A)tan(2A)1))+isin(arctan(tan(4A)tan(2A)1)))

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