SOLUTION: Please help with cos(s-t) given sin(s)=sqrt5/7 and sin(t)=sqrt6/8. Thanks!

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Question 997999: Please help with cos(s-t) given sin(s)=sqrt5/7 and sin(t)=sqrt6/8. Thanks!
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




If then

That's all I can do for you since I don't know whether you mean or .

Either way, there will be two answers depending on the signs of and

John

My calculator said it, I believe it, that settles it