SOLUTION: if y=sin x + cos x prove that: (y')^2 +y=2
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Question 1125384
:
if y=sin x + cos x
prove that:
(y')^2 +y=2
Answer by
Alan3354(69443)
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if y=sin x + cos x
prove that:
(y')^2 +y=2
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Step 1, find y'
