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0 votes
1.7k views
in Trigonometry by (35.6k points)
closed by

Tan 45° + 2 Tan2 60° =

A) 6 

B) 7 

C) 8 

D) 9

2 Answers

+1 vote
by (66.4k points)
selected by
 
Best answer

Correct option is: B) 7

\(Tan 45° + 2 Tan^2 60° \) 

= 1 + 2 \(\times\) \((\sqrt3)^2\)  (\(\because\) tan \(45^\circ \) = 1, tan \(60^\circ\) = \(\sqrt3\))

= 1 + 2 \(\times\) 3

= 1+ 6 = 7

+1 vote
by (34.5k points)

Correct option is: B) 7

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