JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

1 Easy

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Analyzing +4 | -1

\frac{{{{\sin }^2}3\,A}}{{{{\sin }^2}\,A}} - \frac{{{{\cos }^2}3\,A}}{{{{\cos }^2}A}} =

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Correct option: B

8\;\cos \,\,2A

Option B (

8\;\cos \;2A

) is correct because the expression simplifies to

8\cos 2A

using trigonometric identities.

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