Another question i had was: If sin(alpha)=4/5 in quadrant 1 and

cos(beta)=-11/12 in quadrant II, find

Sin(alpha+beta)

Tan(alpha+beta)

Thats a LOT for the help.

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- May 8th 2006, 02:09 PMaussiekid90Ugh, More Trig Stuff
Another question i had was: If sin(alpha)=4/5 in quadrant 1 and

cos(beta)=-11/12 in quadrant II, find

Sin(alpha+beta)

Tan(alpha+beta)

Thats a LOT for the help. - May 8th 2006, 02:52 PMtopsquarkQuote:

Originally Posted by**aussiekid90**

is supposed to be 1st quadrant and, in fact, it is.

which checks out as being in the 2nd quadrant.

So:

-Dan