For all values of `theta in(0,pi/2),` the determinant of the matrix `[(-2,tantheta+sec^2thet
497 views · Published 13 October 2018 · 6:23 · Indexed 22 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW For all values of `theta in(0,pi/2),` the determinant of the matrix `[(-2,tantheta+sec^2theta,3),(-sintheta,costheta,sintheta),(-3,-4,3)]` always lies in the interval :
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