SOLUTION: Hi all, I'm currently doing my math homework and I'm stuck on a single question. If you can help me with the question, that would be awesome : Find the values of each pair of exp

Question 873858: Hi all, I'm currently doing my math homework and I'm stuck on a single question. If you can help me with the question, that would be awesome :
Find the values of each pair of expressions.
1.) sin 80, cos 10
2.) cos 25, sin 65
What do you notice about the values and the angles in each pair?
Explain why your answers make sense.
The answers in each set are equal to each other (sin 80= the same answer as cos 10) however I don't know what is the connection between them. Again, if you can help, that would be awesome :)!
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Since and ,
those pairs of angles could be the acute angles in right triangles.
The same ratio that is the sine of one angle
is also the cosine off the other angle.
When two angles add up to (when they are complementary),
the sine of one angle is the cosine of the other angle.
In formulas,
and

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