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annamehat

  • 3 years ago

rewrite the expression as an algebraic expression as an algebraic expression in x. sin(tan^-1x/2)

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  1. amoodarya
    • 3 years ago
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    |dw:1359157385933:dw|

  2. amoodarya
    • 3 years ago
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    so sin (tan^-1 x/2)= sqrt(x^2/x^2+4)

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