The least value of ${\rm{cose}}{{\rm{c}}^2}\,x + 25\,\,{\sec ^2}\,x$ is

JEE MATHEMATICS MCQ: TRANSFORMATIONS

1 Easy

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The least value of

\mathrm{cose}{\mathrm{c}^2}\,x + 25\,\,{\sec ^2}\,x

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Correct option: D

Option D (38) is correct because the minimum value of the expression is obtained by completing the square and finding the minimum value of the squared term.

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