Mathematics, 23.07.2019 14:00 heatherlemaster
Which of the following are identities? check all that apply. a) sin3x/sinx cosx =4cosx -secx b) sin6x= 2sin3x cos3x c) sin3x-sinx/cosx+cosx= tanx d) (sinx+cosx)^2=1+sin2x
Answers: 2
Which of the following are identities? check all that apply. a) sin3x/sinx cosx =4cosx -secx b) sin...
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Mathematics, 13.01.2020 04:31
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