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anonymous
 4 years ago
solve for y. dy/dt=sin(ty)+sin(t+y). hint: use trig id
anonymous
 4 years ago
solve for y. dy/dt=sin(ty)+sin(t+y). hint: use trig id

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Your second part transforms into 2cos(y(t))sin(t). That the trig identity you want to use.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i found something similar to yours... sinu+sinv=2sin((u+v)/2)cos((uv)/2) =2sin[((ty)+(t+y))/2]cos[((ty)+(t+y))/2] =2sin(t)cos(y) so now i'm confused

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0or...are u and v derivatives?
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