Which of the following is not an identity?
O A. sinx(cotx + tan x) = secx
O B. csc2x + sec2x...
Mathematics, 02.04.2021 01:00 hellion
Which of the following is not an identity?
O A. sinx(cotx + tan x) = secx
O B. csc2x + sec2x = 1
O C. cos2x cscx-cscx = -sinx
D. cos2x - sin2x = 1- 2sin2x
Answers: 1
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