Question

How do you evaluate `arctan 2 + arctan 3`?

Answer 1

`63^@435 + &1^@565 = 135^@`

Explanation:

Calculator -->
tan x = 2 --> arc `x = 63^@435`
tan x = 3 --> arc `x = 71^@565`
`arctan2 + arctan3 = 135^@`