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Which one is true ?A. `sin1 gtsin2 gt sin3`B. `sin1 ltsin2ltsin3`C. `sin1lt sin3ltsin2`D. `sin3lt sin1 ltsin2` |
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Answer» Correct Answer - D We have, `sin2-sin1=2sin""1/2cos""2/3gt0[because((1)/(2))^(c),((3)/(2))^(c)in(0,(pi)/(2))]` `impliessin1ltsin2" "...(i)` and,`sin 2-sin1=2sin1 cos 2 lt0[because2^(c)in((pi)/(2),pi)thereforecos2lt0]` `impliessin3ltsin1" "...(ii)` From (i) and (ii), we obtain `sin 3 lt sin 1 lt sin2` |
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