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Psymon
 one year ago
Best ResponseYou've already chosen the best response.3\[\cos(ab) = \cos(a)\cos(b) + \sin(a)\sin(b)\] That's a start.

britbrat4290
 one year ago
Best ResponseYou've already chosen the best response.0@Coolsector can u confirm im right? 1 + tan α tan β

Psymon
 one year ago
Best ResponseYou've already chosen the best response.3That's what it looks like to me.
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