C cheeze New member Joined Dec 5, 2008 Messages 2 Dec 5, 2008 #1 The second is: 1/2 ? csc ?t cot ?t dt 1/6 I am not even sure where to start. Do I let u = ?t? Please help.
The second is: 1/2 ? csc ?t cot ?t dt 1/6 I am not even sure where to start. Do I let u = ?t? Please help.
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 Dec 5, 2008 #2 Take note that: \(\displaystyle \frac{d}{dt}[csc({\pi}t)] = -{\pi}\cdot \underbrace{cot({\pi}t)csc({\pi}t)}_{\text{this is your integrand}}\)
Take note that: \(\displaystyle \frac{d}{dt}[csc({\pi}t)] = -{\pi}\cdot \underbrace{cot({\pi}t)csc({\pi}t)}_{\text{this is your integrand}}\)
