Question: Question [3] [3+4 Marks] (a) Find the equation for the involute of the curve x(t) = (et cost, et sint, et ). (b) If 91

Question [3] [3+4 Marks] (a) Find the equation for the involute of the curve x(t) = (et cost, et sint, et ). (b) If 91 = =(2e, - 2e, + e,). 92 = =(e, + 2e, + 2e;). g, = = (2e, + e, - 2e;). Show that e, = = (2 01 + 92+24).e. = =(-2g, + 2g + 9.)

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