What is the square root of 729 by division method . by step by step all formula

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

How many lines can be drawn through points j and k? 0 1 2 3

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)