UPSC NDA I and II 2020 Math Solved Paper
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DIRECTIONS (Qs. 16-18) : Read the following information and answer the three items that follow:
Leta sin 2 x + b cos 2 x = c ; b sin 2 y + a cos 2 y = d p tan x = q tan y
Let
[NDA-I 2020]
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Question : 16 of 120
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What is tan 2 x
[NDA-I 2020]
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