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Elena L [17]
3 years ago
9

If sin x = 0.5, what does sin (-x) equal ?

Mathematics
1 answer:
zvonat [6]3 years ago
4 0
Sin (-x) should equal -0.5
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4 years ago
Is that 2x squared + 5x? Correct me if I'm wrong.
natulia [17]
Well, what I would do is divide it into two shapes. Cut off the bottom part to make two separate quadrilaterals, and you'd have a square with sides of x. So the area would be x^2. Then, for the remaining piece (rectangle), add the x from the square bit to 5 for one side, and the other side would be x. So you'd have 5x * x, which equals 5x^2. Add the two separate area's together to get the total area, which would give you 6x^2. Hope that helped! :)
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3 years ago
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