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cos(35)sin(55)+sin(35)cos(55)

If we rewrite this switching the first and second terms we get:

sin(35)cos(55)+cos(35)sin(55)

which is a more common form of the sin sum and difference formulas.

Thus this is equal to sin(90) and sin(90)=1

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Q: Cosine 35 degrees sine 55 degrees plus sine 35 degrees cosine 55 degreees?
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