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Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β
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Apainting measures 2 meters by 1 meter. a frame shop charges \$21.51 per meter for a wooden frame. how much would it cost to buy a frame for the painting?
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Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
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Quick graph the line for y+2=32(x+4) on the coordinate plane. does anyone know the cordinates will mark brainliest.
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