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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Which of the following is not an identity?
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More questions: Mathematics Another questions

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

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Another question on Mathematics

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