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I will state the question exactly as it is:

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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If \(x,y \in [0, \pi/2)\):\[\sin^4 x + \cos^4 y + 2 = 4\sin x \cos y\]Then find the value of:\[\sin x + \sin y \]... The answer is given as 2.
I have two issues with this: one, \(\pi/2\) is not included. If I acknowledge this as a small mistake, even then, if \(\sin x + \sin y = 2\), then \(x = y = \pi/2\). But of course this does not satisfy the condition. Here is what *does* satisfy the condition: \(x = 0;~ y = \pi/2\)

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@oldrin.bataku of course.
Oops, I meant that \(y = 0; x = \pi/2\) satisfies the condition. Moving on...
Pi/2 MUST be included.
I've solved the question thoroughly nd m sure that pi/2 mst be included.
Even then, the answer couldn't be 2, right?
Also, how did you solve this question thoroughly if you don't mind explaining?
K wait lemme switch on my laptop :)
Did you solve this my maxima-minima or ...?
No i jst simplified the expression
Oh, great.
Yeah, that's what I got too... finally.
Thank you!
So the answer isn't 2, it's 1, right?
The question asked for sin x + sin y...
yes its one :)
Cool, I was wondering where the mistake was in my work. There wasn't any. I'll report this, thanks!
ur welcome :)

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