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  1.if tanx + tan(x+π/3) +tan(x+2π/3)=3 prove , 3tanx - tan3x/1 - 3tan2x =1 2.if α,β are two different values of θ when α≠β,where 0< α,β <2π which satisfy the equation 6cosθ + 8sinθ =9 find the value of sin( ...
  0·2· #Mathematics#Trignometry
  replied2013-07-12 23:25:45