If sin A + sin B = 2Find cos2 A+ cos2BFind thevalue of the container Thank you
Manish soni , 6 Years ago
Grade 10
10 grade maths> If sin A + sin B = 2 Find cos 2 A+ cos 2 ...
1 Answers
Saurabh Koranglekar
Last Activity: 6 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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