Differentiate each of the following w.r.t. x:
Formulae :
• 
• 
• 
• 
Let,
and u = 1+ cot x
therefore, 
Differentiating above equation w.r.t. x,
………… By chain rule
…………. 
1
Differentiate each of the following w.r.t. x:
Formulae :
•
•
•
•
Let,
and u = 1+ cot x
therefore,
Differentiating above equation w.r.t. x,
………… By chain rule
………….