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Let cos A = 1/√(10) with A in QI and find sin(2A)

Let cos A = 1/√(10) with A in QI and find sin(2A)
asked 163k views
2 votes
Let cos A =
1/√(10) with A in QI and find sin(2A)

asked
User Jeremiah Morrill
by
7.9k points

1 Answer

4 votes
Umm i’m sorry but what is the question here .

This isn’t english
answered
User Marcelo Zabani
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8.1k points
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Let cos A = 1/√(10) with A in QI and find sin(2A)
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