Menu Close

In-a-convex-quadrilateral-ABCD-if-sinA-cosB-then-find-the-range-of-S-3sinA-4sinB-5-2-sinC-5-2-sinD-




Question Number 203970 by CrispyXYZ last updated on 03/Feb/24
In a convex quadrilateral ABCD ,   if sinA = cosB, then find the range of  S = 3sinA + 4sinB + 5(√2)sinC + 5(√2)sinD.
$$\mathrm{In}\:\mathrm{a}\:\mathrm{convex}\:\mathrm{quadrilateral}\:{ABCD}\:,\: \\ $$$$\mathrm{if}\:\mathrm{sin}{A}\:=\:\mathrm{cos}{B},\:\mathrm{then}\:\mathrm{find}\:\mathrm{the}\:\mathrm{range}\:\mathrm{of} \\ $$$${S}\:=\:\mathrm{3sin}{A}\:+\:\mathrm{4sin}{B}\:+\:\mathrm{5}\sqrt{\mathrm{2}}\mathrm{sin}{C}\:+\:\mathrm{5}\sqrt{\mathrm{2}}\mathrm{sin}{D}. \\ $$

Leave a Reply

Your email address will not be published. Required fields are marked *