Question

Find the derivative of the trigonometric
function. MEDAL WILL BE REWARDED!
f(x)=sin x cos x

Answer 1

know the product rule ?

Answer 2

Yes, would my final answer be f'(x)=cos^2x - sin^2x

Answer 3

absolutely :)

Answer 4

Awesome thank you for confirming!

Answer 5

you know the double angle formula ?

Answer 6

No...I don't think so

Answer 7

then nevermind,
there was an alternative way to get the same answer using double angle formula...

Answer 8

oh okay, thank you! more questions to come if you can help ill give you more medals