Question: a. Use derivatives to show that and differ by a constant. b. Prove that 2 -1 tan n tan (n 1) (n + 1) tan

a. Use derivatives to show that2 -1 tan n° andtan (n – 1) (n + 1) – tan differ by a constant.

b. Prove that2 -1 tan n tan (n 1) (n + 1) tan

2 -1 tan n tan (n 1) (n + 1) tan

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