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 addition 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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