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Please help me solve these im really struggling. thanks !

In the figure find the value of c in the interval [0, 4] on the x-axis that maximizes angle 0. C= (0.2) (4, 2)Evaluate the expression without using a calculator. arccot( - V3)Use the figure to write the expression in algebraic form given y = arccos(x), where 0 < y </2. cot(y) =

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Let cbe (0,0) B(4,2) (02) distance Ac = [2²+4 BL = re-u) + 4 tintance o is equal is if the maximum Ас - Вс fa²t4 = [(any ty sVen © Given - are cot (-13) so in your arctan (-3) Calalator, in order to get the arctan, you just press and t then the tan

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