If y = 2xcos2x - sin2x, find \(\frac{dy}{dx}\) when x = \(\frac{π}{4}\)
a
π
b
-π
c
\(\frac{π}{2}\)
d
-\(\frac{π}{2}\)
Explanation
Correct Option
bVideo Explanation
Post your Contribution
Share:
Discussions (13)
Shushino
1 year ago
According to the solutions you gave, it's 2xcos2x. But in the question, it's 2x. Please fix it.
Thank you.
williams08
1 year ago
th steps in the explanation should be written in a vertical manner not horizontal for better understanding.
