justttlearnnn12333
08.06.2020 •
Mathematics
If sin y° = s divided by 8 and tan y° = s divided by t, what is the value of cos y°?
1.) cos y° = 8s
2.) cos y° = 8t
3.) cos y°=t divided by 8
4.) cos y°=8 divided by t
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Ответ:
cos y = t/8
Step-by-step explanation:
tan y = (sin y) / (cos y)
Solve for cos y:
cos y = (sin y) / (tan y)
Substitute:
cos y = (s/8) / (s/t)
Multiply by reciprocal:
cos y = (s/8) (t/s)
Simplify:
cos y = t/8
Ответ:
2 multiple (7 plus 1)multiple 3