WAECFurther MathematicsPure Maths

Derivative of cos x.

Asin x

B−sin xCORRECT

Ctan x

D−tan x

AI

Toaster Teacher

Why the answer is B, and why the others tempt you.

Explanation will be available shortly. Sign up to access full Worked answers.

Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →

Practice more Further Mathematics questions

WAEC Further Mathematics has thousands more questions like this — with Worked answers on every one.

Start practicing free →See all Further Mathematics questions