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Mathematics, 21.06.2019 22:00
Which sum or difference identity would you use to verify that cos (180ยฐ - q) = -cos q? a.) sin (a -b) = sin a cos b โ cos a sin b b.) cos (a -b) = cos a cos b โ sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
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Mathematics, 22.06.2019 00:00
Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64
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Mathematics, 22.06.2019 02:10
Of jk j(โ25, 10) k(5, โ20). is y- of l, jk a 7: 3 ? โ16 โ11 โ4 โ1
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