-3.14159265358979323846264338327950288419716939937515820974944592 3078164062862089986280348253421170679821480865132823066470938446095 5058223
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Negative pi is - 3.14.
probobly because pi equals 3.14 and you can make 3.14 negative so yes you can have negative pi
In the domain [0, 2*pi],sin is negative for pi < x < 2*picos is negative pi/2 < x < 3*pi/2 andtan is negative for pi/2 < x < pi and 3*pi/2 < x < pi.Also, the same applies for all intervals obtained by adding any integer multiple of 2*pi to the bounds.
The value of pi (Ï€) is3.1415926535897932384626433832795028841971693993751.........
No one has fully discovered pi. Pi is believed to be irrational.