Mathematics, 24.02.2021 04:10 skpdancer1605

Which of the following are NOT trigonometric identities? Check all that apply. A.
4cosx sinx=2cosx+1-2sinx

B.
1-tanxtany=cos(x+y)/cosxcosy

C.
tanx cosx cscx=1

D.
Secx-cosx/secx=sin^2x

Answers: 1

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Which of the following are NOT trigonometric identities? Check all that apply. A.
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More questions: Mathematics Another questions

Which of the following are NOT trigonometric identities? Check all that apply. A. 4cosx sinx=2cosx+1-2sinx B. 1-tanxtany=cos(x+y)/cosxcosy C. tanx cosx cscx=1 D. Secx-cosx/secx=sin^2x

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Another question on Mathematics

Which of the following are NOT trigonometric identities? Check all that apply. A.
4cosx sinx=2cosx+1-2sinx

B.
1-tanxtany=cos(x+y)/cosxcosy

C.
tanx cosx cscx=1

D.
Secx-cosx/secx=sin^2x