Question

tan (pi/4 + x) = 1 + tan x/1 - tanx

Answer 1

Hi !

We know that tan ( A + B) = tanA + tanB / 1 - tanA * tanB

Since,

tan ( π/4 + x ) = tanπ/4 + tanx / 1 - tanπ/4*tanx

1 + tanx / 1 - tanx. .. [°•°tanπ/4 = 1 ]

Since , prooved ♻

LHS = RHS

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Hope it helps you !!;

@Rajukumar111