SOLUTION: I have two angles, 61.8 and 28.2. How do I work out the value of SIN and COS for each angle without using a calculator?

Question 1021405: I have two angles, 61.8 and 28.2.
How do I work out the value of SIN and COS for each angle without using a calculator?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
I have two angles, 61.8 and 28.2.
How do I work out the value of SIN and COS for each angle without using a calculator?
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While it's possible to do it with paper and pencil using a series, it's not practical. It can take hours.
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Notice that sin(61.8) = cos(28.2) since they're complementary.
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