what is the formula of tan (a - b)

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Abhishek Mishra

2 years ago

Tan(a - b) is one of the important trigonometric identities also called tan subtraction formula in trigonometry. Tan(a - b) can be given as, tan (a - b) = (tan a - tan b)/(1 + tan a·tan b), where 'a' and 'b' are angles.

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