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  • 23-05-2019
  • Mathematics
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Can someone please check this?

Can someone please check this class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 24-05-2019

Answer:

Your answers are correct.

Step-by-step explanation:

The equality will be true for odd multiples of π/4, so the last two choices will not show the expression to be not an identity.

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