Question 1062694
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 The sum of m(angle)V and m(angle)W is 90 degrees. If sin W = 4sqarerootof2 divided by 7, what is cos V
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V and W are complement angles, since they are two acute angles in the right-angled triangle.


Therefore, W = 90° -V.


It implies 


cos(V) = sin(90°-V) = sin(W) = {{{(4*sqrt(2))/7}}}.