Math, asked by shirikavi, 1 year ago

qn no 7 class 10 trigonometry

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Answered by chirag222

2

.............LHS=RHS

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Answered by NeelamG

2

sec^4 theta - 2sec^2 theta+1

= (sec^2 theta -1)^2

= (tan^2 theta)^2

= tan^4 theta

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