Question: Derive a formula for tan (A - B). Exercise 55 The standard formula for the tangent of the sum of two angles is Derive the

Derive a formula for tan (A - B).


Exercise 55

The standard formula for the tangent of the sum of two angles istan(A + B) tan Atan B 1 tan A tan B

Derive the formula.

tan(A + B) tan Atan B 1 tan A tan B

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