Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · TrigonometryMedium · 45s
If tanA = ntanB and SinA = mSinB, then find the value of cos₂A?
TopicTrigonometry
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
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Final Answer: Option A