# Help Kevin come out of this mysterious world!

Kevin is stuck in a mysterious world. Your task is to help him find the correct route to get back to Earth.

He finds the following pieces of paper on the ground.

Kevin collects these notes and finally reaches the end of the mysterious world. There are three routes - Route 1, Route 2 and Route 3. But only one of them will lead him towards Earth.

Help Kevin find the correct route. Good luck!

Hint 1:

Trigonometry

• I see a homophone tag here. Hmm... – Dooper Mar 21 '20 at 2:49
• Didn't copy you bro! Just a coincidence 😅 – Ak. Mar 21 '20 at 3:11
• I wasn't accusing you! I thought it would be a rebus tag or something with that second paper. – Dooper Mar 21 '20 at 3:48
• Related to Ryrpgevpny Ratvarrevat. Isn't it? – m4n0 Apr 4 '20 at 21:23
• Could be Ebhgr gjb orpnhfr Pbf sbhegl svir? – m4n0 Apr 6 '20 at 10:26

Kevin can get out of the mysterious world using

Route 2

The first piece of paper depicts that

Cause = Cos

Second piece of paper gives out an idea that

It is a 45-degree angle.

Third piece of paper says

Diatomic is preferred. So 2 cos(45) = 2 x 1/root(2) = root(2)

• Vg'f n inevnoyr erfvfgbe. Ohg qb V unir gb nafjre va grezf bs gur purzvpny/ryrpgevpny inyhrf. – m4n0 Apr 6 '20 at 10:54