Find y if dy/dx = y² sec²(x), given that y(0) = 1

1/y² dy/dx = sec²(x)∫ 1/y² dy/dx dx = ∫ sec²(x) dx-1/y + C1 = tan(x) + C2y = -1/(tan(x) + A) where A = C2 - C1y(0) = -1/A so y(0) = 1 means A = -1. Finished!

NM

Related Maths A Level answers

All answers ▸

Find the value of x in (4^5⋅x+32^2)⋅2^5=2^16⋅x


What are logarithms?


https://1drv.ms/w/s!Ajvn5XL_gYTXgaZeAS-K7z62VSxjYw?e=lnAZLx


Two numbers add to make 1000. What would they have to be to maximise their product?