Find the exact value of cos( O 1 V2 O √3 2 0 -13 O 12 2 큼 -9 4

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A: To use normal approximation, the following conditions should be satisfied. np>5 and n(1-p)>5

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A: First factor the equation

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Q: (d) y = sin(tan(2r)) (e) f(t) = tan(eª) + etan(t) (f) y = ·

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