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suppose that for some angles x and y the equations sinx 2 +cos 2 y=3a/2 and cos 2 x+sin 2 y=a 2 /2.sum of all possible values of a=

suppose that for some angles x and y the equations sinx2+cos2y=3a/2 and cos2x+sin2y=a2/2.sum of all possible values of a=

Grade:12

1 Answers

Priyajit
16 Points
6 years ago
Add both the equation then you get 2=a^2/2+3a/2. Then just solve the equation..then you get a=-4 &a=1

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