A-Level Maths: Q5-13 Projectiles: From a Height Example 1 Integration Method

[lionel]

when we integrate v to get s at 1:55 why isn't s= 26sin(48)t i, -26cos(48)t - 4.9t^2 + 1.8 j
thank you for the videos btw :)

[slarnaluvvvv]

what to do when they say the angle is x degrees *below* the horizontal

[desklamp]

wouldn't the vertical displacement be -1.8 instead of 0 as we are trying to find the total horizontal distance?