What is the value of 2 ? [NDA I 2023]

Correct Answer is : 5+sin⁡2α3−sin⁡2α\;5 + 2α/3 - 2α3−sin2α5+sin2α

Correct Answer is : 5+sin⁡2α3−sin⁡2α\;5 + 2α/3 - 2α3−sin2α5+sin2α

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UPSC NDA I 2023 Mathematics Solved Paper

Consider the following for the next two (02) items that follow :

Let

\sin \,\beta

be the GM of

\sin \,\alpha

and

\cos \alpha ; \tan \gamma

be the AM of

\sin \,\alpha

and

\cos \alpha

[NDA I 2023]

Question : 32 of 120

Marks: +1, -0

What is the value of

\sec 2\gamma ?

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