Allycrh2alhebec Allycrh2alhebec
  • 08-12-2016
  • Mathematics
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prove tan(pi/4 x) - tan(pi/4-x)/tan(pi/4 x) tan(pi/4-x)=2sinxcosx

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tommytrey4512
tommytrey4512 tommytrey4512
  • 12-12-2016
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