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Given that cos(25∘)=k, which trigonometric ratio is also equal to k?.
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Given that cos(25∘)=k, which trigonometric ratio is also equal to k?.

User Steven Kramer
by
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1 Answer

10 votes

Answer:

sin(90-25) = sin(65)

Explanation:

cos(a) = sin(90-a)

User Dmitry Azaraev
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