(a) Show that (b) Solve the equation -1 cos(2 tan ¹x): = (d) Find the general solution to cos 7x 2coshx+2=4sinh giving your answer in logarithmic form. (c) Calculate from first principles the Taylor series of X about 1 up to the term in (x − 1)². ex 2 1+x² - 1. 5) = cos(4x).

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