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Sunny_sXe [5.5K]
3 years ago
6

How do you write the expression as an angle sin42cos17-cos42sin17

Mathematics
1 answer:
kap26 [50]3 years ago
8 0
Sin(a+b)=sin(a)cos(b)+cos(a)sin(b).
Let a=42 and b=17 so sin(42+17)=sin59.
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