prove that, If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20

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Incorrect Question. Put A=30 and B = 30 and its clear that LHS not equal to RHS....................................

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prove that, If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20

prove that,
If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20

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prove that, If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20

prove that,If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20

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prove that,
If A+B=90degrees, prove that, tanA= tanB+2(tanA-B) and hence also deduce that, tan55=tan35+2tan20