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When taking the sine and cosine of different angles in your calculator, why are they sometimes the same? Why do they sometimes produce the same answer? ex: sin 55* = 0.819152044 and cos35* = 0.819152044
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When taking the sine and cosine of different angles in your calculator, why are they sometimes the same? Why do they sometimes produce the same answer? ex: sin 55* = 0.819152044 and cos35* = 0.819152044 or sine 30* and cos 60*

User Anand Nimje
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7.4k points

1 Answer

10 votes

Answer:

sin(theta) = 90 - cos(theta)

cos(theta) = 90 - sin(theta)

User Dubby
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6.7k points
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