Stephen H. answered 03/12/21
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Use the identity sin(u+v)=sinucosv+cosusinv and sin2x+cos2x=1
Haley W.
asked 03/12/21Find the exact value of sin (u+v) given that sin u = 8/17 and cos v = -60/61. Both u and v are in quadrant 2. no clue how to start this need some help
Stephen H. answered 03/12/21
Tutor of Math, Physics and Engineering ... available online
Use the identity sin(u+v)=sinucosv+cosusinv and sin2x+cos2x=1
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