2. If sec(a) = , then what is the value of cos(a)? 25.2 %3D 19.4 25.2 19.4 O 16.1 19.4 16.1 25.2 19.4 25.2

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A: cosπz=0

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A: See the attachment.

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Q: If P(B)=0.43 P(A)=0.9 P(BIA^) =0.7' P((AnB")n (A°NB)) and Find O A. 0.07

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