Question

13. If I. -
cos" x dx prove that
I.
n-1 n-3 n-6 3
if n is even
72 n - 2 n-4 4 2 2
1-1 n-3 n-3
.-.-.-.1 if n is odd
n - 2 - 4 5.3
CO" x dx gaf​

Answer 1

Answer:

sorry i am not in way to answer you

Step-by-step explanation:

so so ao much sorry