MQ35--- Trigonometry

2012-08-02 11:01 pm
Difficulty: 40%Given that tanα and tanβ (0 < α < β < ½π) are the roots of the equationx² - (1 + k)x + k = 0 where k is a constant. If tan(α + β) + tan(α – β) = 4,find k, α and β.

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2012-08-03 1:03 am
✔ 最佳答案

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