#Are the following trigonometric identities valid?

3 messages · Page 1 of 1 (latest)

tawny ingotBOT May 2, 2024, 2:13 PM

#

blissful island May 2, 2024, 2:18 PM

#

I don't know what to do

blissful island May 2, 2024, 2:41 PM

#

.close