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torisob [31]
3 years ago
10

Can someone please check this?

Mathematics
1 answer:
IceJOKER [234]3 years ago
8 0

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 <em>not</em> an identity.

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