Question: please help!! T f (x) = at x = n CSCX 22) Find all x-values on the interval [0,2Tr] where f (x) has a horizontal

please help!!

T f (x) = at x = n CSCX 22) Find all x-values on the interval [0,2Tr] where f (x) has a horizontal tangent line if the DERIVATIVE of f(x) is given below. f' ( x ) = 0 f' (x) = cosx(tanx-1) (cscx+1) (2sinx-1) x+2 Cost ( tanx - 1 ) ( cs ( x + 1 ) ( 2sinx -1 )= 0 COSX = O tanx = 1 X CSCX = - 1 sinx = &quot

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