Answer Happy

Posted: **Wed Jul 13, 2022 8:07 pm**

a) 9tan⁡3x (3 log⁡9 sec2⁡x)
b) 9tan⁡3x (3 log⁡3 sec2⁡⁡x)
c) 9tan⁡3x (3 log⁡9 sec⁡x)
d) -9tan⁡3x (3 log⁡9 sec2⁡⁡x)

Differentiate 9tan⁡3x with respect to x.