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anonymous

  • 5 years ago

how would you explain to someone who has not yet studied trigonometry the difference between an identity and an equation

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  1. electrochika
    • 5 years ago
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    An identity is an equation that is true for all values of the variable within its domain

  2. anonymous
    • 5 years ago
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    what about is sin(sin^-1x)=sin-1(sinx) an identical? why or why not?

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