if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

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if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

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if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

if cos2A= (a+bcosΠ)/acosΠ-b, then prove tan(A/2)=√(a-b)/√(a+b) tan(Π/2)

1 Answers

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