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JEE Main Math Class 11 Trigonometric Functions Questions

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Question : 111

Total: 115

Let α,β be such that π<α−β<3π.
If sin‌α+sin‌β=−‌

and cos‌α+cos‌β=−‌

, then the value of cos‌

‌
−6
65
‌
3
√130
‌
6
65
−‌
3
√130

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