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Question
International Baccalaureatte | Maths HL
One Answer Below
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Think and find the similarity and difference between these two formulas :
First eq.....
Tan a = Tan (A - B)
Second eq....
Tan a = Tan A - Tan B
Can 1st eq is related to 2nd eq?
And
How to proof it?
Tqvm in adv
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