Write the expression in simplest form sec square theta -1/cosec square theata -1
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tan^4theta
Step-by-step explanation: Let theta=A
sec^2A-1 /cosec^2A-1 = tan^2A/cot^2A [since,tan^2A+1=sec^2A and cot^2A+1=cosec^2A]
=tan^2A/ 1/tan^2A [bcoz,cotA= 1/tanA]
=tan^4A
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