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Solve for x csc(x)=-1

Problem

csc(x)=−1

Solution

  1. Rewrite the equation using the reciprocal identity csc(x)=1/sin(x)

1/sin(x)=−1

  1. Solve for sin(x) by taking the reciprocal of both sides.

sin(x)=−1

  1. Identify the values of x on the unit circle where the ycoordinate is −1

x=(3*π)/2

  1. Generalize the solution to include all possible rotations by adding multiples of 2*π where n is an integer.

x=(3*π)/2+2*n*π

Final Answer

csc(x)=−1⇒x=(3*π)/2+2*n*π


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