Answers: 2
Mathematics, 21.06.2019 15:00
Which sum or difference identity would you use to verify that cos (180Β° - β
) = -cos β
? a. sin (Ξ± -Ξ²) = sin Ξ± cos Ξ² β cos Ξ± sin Ξ² b. cos (Ξ± -Ξ²) = cos Ξ± cos Ξ² β sin Ξ± sin Ξ² c. cos (Ξ± -Ξ²) = cos Ξ± cos Ξ² + sin Ξ± sin Ξ² d. sin (Ξ± + Ξ²) = sin Ξ± cos Ξ² + cos Ξ± sin Ξ²
Answers: 2
Mathematics, 21.06.2019 21:30
Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?
Answers: 2
Mathematics, 22.06.2019 01:00
Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 β 2m6 + 5m2n4 β m3n3 + n6 β 4m6 + 9m2n4 β mn5 β 4m3n3
Answers: 3
Please help xx
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