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Mathematics, 21.06.2019 15:00
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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Mathematics, 21.06.2019 15:10
Which of the following is a justification used while proving the similarity of triangles lom and mon
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Mathematics, 21.06.2019 19:30
:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?
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Social Studies, 21.12.2019 12:31
Social Studies, 21.12.2019 12:31
Physics, 21.12.2019 12:31
History, 21.12.2019 12:31