EAMCET Engineering 2005 Solved Paper

Section: Mathematics

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Question : 105 of 160

Marks: +1, -0

If ‌

tan‌3‌A

tan‌A

=a, then ‌

sin‌3A

sin‌A

is equal to

‌
2a
a+1
‌
2a
a−1
‌
a
a+1
‌
a
a−1

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