find the intervals in which f(x)=sin3x-cos3x is strictly increasing or decreasing xgreater than 0 but less than pie - Maths - Application of Derivatives

Question

find the intervals in which f(x)=sin3x-cos3x is strictly increasing
or decreasing xgreater than 0 but less than pie​

Tushar Jain · Accepted Answer

Answer:
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5b6eaf87b2e27%20jpeg">

find the intervals in which f(x)=sin3x-cos3x is strictly increasing or decreasing. xgreater than 0 but less than pie​