https://imgur.com/gallery/XMf73

For the first one,

$\frac{1}{cos^2ax} = sec^2ax$

well the first answer is: (@Integral did MOST of it LOL)

There are currently 1 users browsing this thread. (0 members and 1 guests)

#### Posting Permissions

• You may not post new threads
• You may not post replies
• You may not post attachments
• You may not edit your posts
•