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kari74 [83]
3 years ago
8

How do you solve this?

Mathematics
1 answer:
Pepsi [2]3 years ago
3 0
From symmetry of sin(x) about pi/2, we know that sin(x)=sin(pi-x).
Therefore
sin(x)+sin(pi-x)=sin(x)+sin(x)=2sin(x).
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