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4) Differentiate a) f(w)=tan(w)sec(w) b) h(y) =- 1-e) c) y= z" - e'In(z) 5) Using the Chain's Rule differentiate a) V(x) = In[sin(x) - cot(x)] b) h(z)= sin (z*) + sin' (z) c) g(z)= 327 - sin(z2 + 6)