Evaluate 3/pi*cos(5/7)

Math
3π⋅cos(57)
Evaluate cos(57).
3π⋅0.75556134
Multiply 3π⋅0.75556134.
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Combine 3π and 0.75556134.
3⋅0.75556134π
Multiply 3 by 0.75556134.
2.26668404π
2.26668404π
Replace π with an approximation.
2.266684043.14159265
Divide 2.26668404 by 3.14159265.
0.72150793
The result can be shown in multiple forms.
Exact Form:
3π⋅cos(57)
Decimal Form:
0.72150793…
Evaluate 3/pi*cos(5/7)

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