18. Find the value of
2 tan 30° /
1+tan 30°
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Answered by
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Answer:
2 (1/√3)÷1+(1/√3)²
=2/√3÷1+1/3
=2/√3÷3+1÷3
=2/√3÷4÷√3·√3
=2·√3·√3÷4.√3
=√3/2
it is sin 60°
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