Question: Question 5 - 15 marks You should be able to answer this question after studying Unit 7. (a) Use the substitution u = tanx to

Question 5 - 15 marks You should be able to answer this question after studying Unit 7. (a) Use the substitution u = tanx to find the integral / sec? z cos (tan z) dz [7] (b) Use integration by substitution and then a hyperbolic half-variable identity to find the integral / 3z2 sinh?(z%) dz [8]

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