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Zina [86]
3 years ago
7

Rewrite the expression as an algebraic expression in x. cos(tan−1 x)

Mathematics
1 answer:
mariarad [96]3 years ago
3 0
1/(sqrt(1+x^2))..................
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<span><span><span>xy</span>−5</span>=k</span>  Flip the equation.<span>  k=<span><span>xy</span>−5</span></span>
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