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17-06-2016
Mathematics

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cos(sin^-1(24/26)
Use a sketch to find the exact value of the following expression

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17-06-2016

Hello,

Let y=sin^(-1)(12/13.
==>sin y=12/13
==>cos y=√(1-(12/13)²)=√(25/169)=5/13

Answer 5/13

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