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pottersheep

  • 2 years ago

Really stuck on a trig Identity :(( Help please.... How do I prove that [tan(pi/4 + x) - tan (pi/4 - x)]/[tan(pi/4 + x) + tan (pi/4 - x)] = 2sinxcosx :(

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  1. TranceNova
    • 2 years ago
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    Heya - looks like you've accidentally asked your math question in the wrong subject (English). So it is now closed. Please stick to the right subject :)

  2. pottersheep
    • 2 years ago
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    Oh no wonder no one helped me! LOL Thanks :)

  3. TranceNova
    • 2 years ago
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    lol yup :P No worries

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spraguer (Moderator)
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