presleyshay2003 presleyshay2003

01-04-2021
Mathematics

contestada

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

Respuesta :

siddiqou72 siddiqou72

02-04-2021

Answer:

B..........................

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