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Question

Find the value of 1tan2 301+tan2 30.


A

0.5

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B

1

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C

2

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D

4

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Solution

The correct option is A

0.5


We know that tan 30=13.

1tan2 301+tan2 30=1(13)21+(13)2

=1(13)1+(13)

=313+1

=24 = 12=0.5


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