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Grade: 12

                        

If cos -1 x – cos -1 (y/2)=alpha, then 400(4x 2 – 4xy cos{alpha} + y 2 ) + 328 sin 2 {alpha} is equal to ‘asin 2 {alpha}’. Then find the value of ‘a’. Pls ans. with proper steps.

2 years ago

Answers : (1)

Deepak Kumar Shringi
askIITians Faculty
4402 Points
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2 years ago
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