FP2 - Unit 1

Question 1

dy/dx tanˉ¹x

Answer 1

1/1+x²

Question 2

dy/dx sinˉ¹x

Answer 2

1/√(1-x²)

Question 3

dy/dx cosˉ¹x

Answer 3

-1/√(1-x²)

Question 4

∫1/a²+x² dx

Answer 4

1/a tanˉ¹(x/a) +k

Question 5

∫1/√(a²-x²) dx

Answer 5

sinˉ¹(x/a) +k