britbrat4290
MEDALS ..Complete the identity...



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britbrat4290
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Psymon
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\[\sin(a+b) = \sin(a)\cos(b) + \cos(a)\sin(b) \]

britbrat4290
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im not getting this one

britbrat4290
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cot a + cot b ? @Psymon

Psymon
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What's the inverse of cot? :P

britbrat4290
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no clue

britbrat4290
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im 3 questions away from being done plz help me not get these wrong :)

Psymon
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Well, cot is cos/sin, but we have sin/cos in these ones.

britbrat4290
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tan β + tan α ?

Psymon
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Yep.

britbrat4290
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thank ya!

Psymon
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Mhm :3