Asked by Please Answer :)
A and B are positive acute angles. If sin A=(3/5) and cosB= (12/13) find the value of sin (A+B)
Answers
Answered by
Ms. Sue
See my last response.
Answered by
Please Answer :)
obviously its math so can you please just do the problem
Answered by
Writeacher
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Once <b>YOU</b> have come up with attempted answers to <b>YOUR</b> questions, please re-post and let us know what you think. Then someone here will be happy to comment on your thinking.
Answered by
D.Kapil
first you have to find the angles cosA and
SinB using pythogoras theorem. Then using the property expand Sin(A+B)and then substitute the given values. similarly do the same for cos(A+B) and find the quadrant in which A+B lies. That's it!!!
SinB using pythogoras theorem. Then using the property expand Sin(A+B)and then substitute the given values. similarly do the same for cos(A+B) and find the quadrant in which A+B lies. That's it!!!
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