Cos4theta/cos2alpha + sin4theta/ sin2alpha=1 prove that
Now, two questions:
Do you mean (a)
Cos(4θ)/cos(2α) + sin(4θ)/ sin(2α)=1
Cos^4(θ)/cos^2(α) + sin^4(θ)/ sin^2(α)=1
??
and (b)
what do you want to prove ??
Do you mean (a)
Cos(4θ)/cos(2α) + sin(4θ)/ sin(2α)=1
Cos^4(θ)/cos^2(α) + sin^4(θ)/ sin^2(α)=1
??
and (b)
what do you want to prove ??