HELP PLEASE !
tan^2x.sec^2y-sec^2x.tan^2y=tan^2x-tan^2y
Answers
Answered by
7
hope it helps...... :)
Attachments:
![](https://hi-static.z-dn.net/files/d64/d1a61bddc8cce4b149e99800c5570a7b.jpg)
jemi2:
thank u so much
Similar questions