Proof for (1+tanx)(1+tany)=2 when x+y=45degree

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Proof for (1+tanx)(1+tany)=2 0:02:20

Proof for (1+tanx)(1+tany)=2 when x+y=45degree

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If ` x+ y = 45^@` then prove that : ` (1+tan x)(1+ tan y) = 2` ` (cot x -1) ( cot y -1 ) =...

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If `(x-y)=pi/4` , prove that `(1+tanx)(1+tany)=2tanx`

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If `x+y=45^(@)`, then prove that: a) `(1+tanx)(1+tany)=2` b) `(cotx-1)(coty-1)=2`

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If `x+y=pi/4` prove that `(1+tanx) (1+tany)=2`

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If A + B = 45 degrees prove that ( 1 + tan A ) ( 1 + tan B ) = 2

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Proof for (1+tanA)(1-tanB)=2,when (A-B)=45 degrees

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