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NDA Math Trigonometric Ratios of Angles and Equations Part 2

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Question : 44 of 75
 
Marks: +1, -0
A and B are positive acute angles such that cos‌2‌B=3sin2A and 3‌sin‌2‌A=2‌sin‌2‌B. What is the value of (A+2B)?
[NDA-I 2020]
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