SOLUTION: let sinA= 3/5 with A in Q1 and sinB= -5/13 with b in quadrant 3. find sin(A+B), cos(a+b), and tan(a+b). where does a and b terminate

Question 1187660: let sinA= 3/5 with A in Q1 and sinB= -5/13 with b in quadrant 3. find sin(A+B), cos(a+b), and tan(a+b). where does a and b terminate
Answer by Solver92311(821) (Show Source): You can put this solution on YOUR website!

In general

and

. So in order to answer this question, you would need to provide:

The quadrant of

,

Either the sine or the cosine of

,

The quadrant of

AND Either the sine or the cosine of

.

Alternatively, you can repost the question using either all upper case letters for your angles or all lower case letters for your angles.

Finally, you must define what you mean by "where does a and b terminate"

Do you mean "Where does

terminate and where does

terminate?" or "Where does the sum of

and

terminate?"

John

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

From
I > Ø

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