1.

(1+tan15°)(1+tan30°)=2​

Answer»

(1+tan45-30)(1+tan 30)

  • [1+(1-1/1.73)](1+1/1.73)
  • [1+(1-0.58)](1+0.58)
  • [1+0.42](1.58)
  • =2 APPROX....


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