Which of the following is not an identity?
A. sinx(cotx + tanx) = secx
B. csc2x + sec?x=...
Mathematics, 22.04.2020 23:57 elrodkaitlynn2965
Which of the following is not an identity?
A. sinx(cotx + tanx) = secx
B. csc2x + sec?x= 1
C. cos2x csex-cscx=-sinx
D. cos2x - sin2x = 1-2sin2x
Answers: 2
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