presleyshay2003 presleyshay2003

02-04-2021
Mathematics

contestada

Which of the following equations are identities? Check all that apply.
A. tan2x = sec2x-1
O B. sin²x = 1 - cos²x
O C. sinx-cos2x = 1
D. cot2x+csc2x= 1

Respuesta :

cwrw238 cwrw238

02-04-2021

Answer:

B.

Step-by-step explanation:

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