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Can someone please check this?
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3 votes
Can someone please check this?

Can someone please check this?-example-1
User Josh Adell
by
8.1k points

1 Answer

3 votes

Answer:

Your answers are correct.

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.

Can someone please check this?-example-1
User Eric Tsui
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8.8k points
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