tan 18 + tan 27 +tan 18. tan 27 = 1

We know that

  • 9

tan 18 + tan 27 +tan 18. tan 27

tan(18+27)

tan45  = 1

  • 0

tan 18 + tan 27 +tan 18. tan 27

tan(18+27)

tan45 = 1

  • -4

thanks 4 ur answer

  • -7
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