SOLUTION: Given that sin A = 5/13, cos B = -3/5, A is a quadrant I angle, and B is a quadrant II angle, find each of the following. a) sin(A+B) b) cos(A+B) c) tan(A-B) d) the

Algebra ->  Trigonometry-basics -> SOLUTION: Given that sin A = 5/13, cos B = -3/5, A is a quadrant I angle, and B is a quadrant II angle, find each of the following. a) sin(A+B) b) cos(A+B) c) tan(A-B) d) the      Log On


   

Question 1055093: Given that sin A = 5/13, cos B = -3/5, A is a quadrant I angle, and B is a quadrant II angle, find each of the following.
a) sin(A+B) b) cos(A+B) c) tan(A-B) d) the quadrant of A+B
Answer by ikleyn(52835) About Me  (Show Source):
You can put this solution on YOUR website!
.
See the lesson
    - Advanced problems on calculating trigonometric functions of angles, Problem 1
in this site.

Very similar problem was solved there. Consider it as a sample.
Read it attentively. Then solve your problem by substituting your data.


Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this online textbook under the topic
"Trigonometry: Solved problems".