# Answer to Question #25412 in Trigonometry for Melissa

Question #25412

tantheta/1-cos^2theta

Expert's answer

tantheta/(1-cos^2theta)=(sin(theta)/cos(theta))/sin^2(theta)=1/( cos( theta ) * sin( theta ) )=2/( 2sin(theta)*cos(theta)

)=2/sin(2*theta)=2csc(2theta)

)=2/sin(2*theta)=2csc(2theta)

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