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If sin A + sin B = 2 Find cos 2 A+ cos 2 B Find the value of the container Thank you

If sin A + sin B = 2
Find cos2 A+ cos2B
Find the  value of the container 
Thank you

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
3 years ago
Dear student

sin A + sin B = 2

implies A, B = (pi/2)

therefore (cos A)^2 + ​(cos B)^2 = 0+0 = 0

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