JEE MATHEMATICS MCQ: TRIGONOMETRY RATIOS

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Analyzing +4 | -1

If the

\triangle A B C

is acute angled at

C

, then

View answer and explanation

Correct option: A

\cos 2 A+\cos 2 B-\cos 2 C<1

Option A (

\cos 2 A+\cos 2 B-\cos 2 C<1

) is correct because, in an acute angled triangle, the given inequality holds true based on trigonometric identities.

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