JEE MATHEMATICS MCQ: MULTIPLE AND SUBMULTIPLE ANGLES

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Application +4 | -1

The value of

{\cos ^2}10^\circ - \cos 10^\circ \cos 50^\circ + {\cos ^2}50^\circ

View answer and explanation

Correct option: D

\frac{3}{4}

Option D (

\frac{{3}}{{4}}

) is correct because the expression simplifies to this value using trigonometric identities.

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