If `x+y=2alpha` then minimum value of `secx+secy` is `(x,y in (0,pi/2))` (a) `2cosalpha` (b) ...

614 views · Published 12 October 2018 · 3:30 · Indexed 30 September 2026

Channel: Doubtnut · 2018 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW If `x+y=2alpha` then minimum value of `secx+secy` is `(x,y in (0,pi/2))`
(a) `2cosalpha`
(b) `cos2alpha`
(c) `2secalpha`

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