general solution for sin(2p)=-1
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sin(2p) = -1
=> sin(2p) = sin(-Π/2)
so
2p = -Π/2
p = -Π/4
for general solution
p = nΠ-Π/4
where n is a integer.
=> sin(2p) = sin(-Π/2)
so
2p = -Π/2
p = -Π/4
for general solution
p = nΠ-Π/4
where n is a integer.
devashish6:
ans is nπ-π/4
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