Choose all answers that apply: A
19x– 18 = -19x + 18
B
-19 – 18 = -19x+ 18
С
-19x +18= -19 +18
D
19x+ 18 = -19x+18

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

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Equation for the calculation double 2 and then add 5