I have some problems calculating problems like:
arctan 2 + arctan 3 (answer cannot contain cyclometric functions)
arctan(1+sqrt(2)) + arctan(1-sqrt(2)) (answer cannot contain cyclometric functions)
Any hint would be appreciated.
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I'll do the first one.
I assume you know: . Evaluate: .
Then: . . . . . .
Ah, so simple. Well, it usually is, isn't it? =)
Thanks a lot!
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