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AonZ

  • 2 years ago

given that t = tan112.5 (a) show that 2t/ 1 - t^2 = 1 (b)Show that tan112.5 = - sqrt2 - 1 I have done part (a)

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  1. CarlyT.
    • 2 years ago
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    Well tan112.5= -2.414213562. And -sqrt2= -1.414213562. Subtracting one from that would give you equal numbers.

  2. AonZ
    • 2 years ago
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    well meant to show it using trig identities and stuff :/

  3. CarlyT.
    • 2 years ago
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    Oh.. Well sorry, I can't quite help you there /:

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