Question
Question: If y = cos2x<sup>0</sup>, then\(\frac{dy}{dx}\)=...
If y = cos2x0, thendxdy=
A
180−πsin 2x0
B
360∘πsin 2x0
C
180∘πsin 2x0
D
360∘−π sin 2x0
Answer
180−πsin 2x0
Explanation
Solution
y = cos2180πx= –180πsin 1802πx= –180πsin 2x0