Question

tan 40 degree = a, then tan 100 degree is equal to

Answer 1

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YOUR ANSWER

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$\large{ \frac{ \large{5}}{ \large{3}}a }$

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Answer 2

tan(100)

= tan(60+40)

= (tan 60 + tan40)/(1-tan60.tan40)

= (√3 + a)/(1-√3a)