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I need some help on this one
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2 votes
I need some help on this one

I need some help on this one-example-1
User Etranz
by
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1 Answer

4 votes

Answer:

letter D. 19

Explanation:

Since 71° is less than 90, we can express this in terms of a cofunction

sin (0) = cos(90 - 0)

sin(71) = cos(90 - 71)

sin(71) = cos(19)

User Dylan Anlezark
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