Trigonometric EquationHard
Question
If tan α = (1 + 2-x)-1, tan β = (1 + 2x+1)-1, then α + β =
Options
A.π/6
B.π/4
C.π/3
D.π/2
Solution
tan α = 
tanβ =
tan (α + β) =
=
tan(α + β) = 1, α + β = tan-1 (1) =
tanβ =tan (α + β) =
=
tan(α + β) = 1, α + β = tan-1 (1) =
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