Comments

• w(2w+1)=300 , 2w^2+w-300=0 , w=12 or -25/8 , length=25 and width=12

  in Algebra Word Problem? Comment by satszn June 2021
• sec^-1(1/t) = x, 1/t = sec(x) = 1/cos(x), cos(x) = t, x = cos^-1(t)

  in how sec^-1(1/t) = cos^-1 t? Comment by satszn June 2021
• sec^-1(1/t) = x, 1/t = sec(x) = 1/cos(x), cos(x) = t, x = cos^-1(t)

  in how sec^-1(1/t) = cos^-1 t? Comment by satszn June 2021
• w(2w+1)=300 , 2w^2+w-300=0 , w=12 or -25/8 , length=25 and width=12

  in Algebra Word Problem? Comment by satszn May 2021