(xi) Write the expression in the simplest form: sec 0 - -cosec 0-1 – InterviewSolution

1.

(xi) Write the expression in the simplest form: sec 0 - -cosec 0-1

Answer»

cosec^2A-1=cot^2Ahencesec^2A-1/cot^2Asec^2Acot^2A-1/cot^2Acosec^2A-1/cot^2A=1as secA=1/cosAhencesecAcotA=1/sinA=cosecA

cosec^2A_1=cot^2A hencesec^2A-1/cot^2Asec^2A_1/cot^2A_1/cot^2Acosec^2A_1/cot^2A=1as secA =1/cosAhencesecAcotA=1/sinA=cosecA

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