# Answer on Trigonometry Question for promise

Question #46303

If sinA =3/5

and sinB =5/13

. Where A and B are acute angles. Find (cosAcosB+sinAsinB)

63/65

43/56

3/5

2/5

and sinB =5/13

. Where A and B are acute angles. Find (cosAcosB+sinAsinB)

63/65

43/56

3/5

2/5

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