Askor claimed: I thought trigonometric substitution only perform if there is obtainable a square root for example ##sqrt x^2 + 2 ##. No. Trig substitution is helpful if you have the sum or distinction of squared conditions - they needn't be inside of a sq. root. In distinction for the https://gabletoppak.com/why-gabletop-cartons-outshine-pet-bottles-for-branding-opportunities/