Let a = 2i –j+ 3k and b = i – k. |- a Find a •b and a x b. b Find cos 0 using a ● b = | a||b|cos 0. c Find sin 0 using sin² 0 + cos² 0 = 1. d Find sin 0 using |a × b| = | a||b|sin 0.

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A: Topic:- hyperbolic function and complex number

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A: To find domain of function

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A: On solving this we will get

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A: We will find out the required expression.

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A: Given, We have to find the value of  fz = ez  at  z = 3+4i  in terms of  x+iy  .

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A: We cal solve the problem by doing the derivative and set it to zero for finding theta.

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Q: Let F = (cos(5t), sin(3t) , 5t“) and G = (t cos(5t), cos(5t), Find F +G = (5t^4)+sin(3t)+t^4(C

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