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Asked by Mahek

2 cosy+siny =?
5 years ago

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Answered by oobleck
could you be a bit more specific?
one possibility:
2cosy + siny = √5(2/√5 cosy + 1/√5 siny)
so, if sinx = 2/√5, that is just
√5 sin(y+x)
5 years ago
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2 cosy+siny =?

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