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anonymous
 3 years ago
Complete the identity...
anonymous
 3 years ago
Complete the identity...

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

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

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