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(sin 3alpha)/(cos2alpha) <0 if alpha lie...

`(sin 3alpha)/(cos2alpha) <0` if `alpha` lies between

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If sin (3alpha) /cos(2alpha) < 0 If alpha lies in

If sin (3alpha) /cos(2alpha) < 0 If alpha lies in

If sin (3alpha) /cos(2alpha) A. (13pi//48,14pi//48) B. (14pi//48,18pi//48) C. (18pi//48,23pi//48) D. any of these intervals

If sin (3alpha) /cos(2alpha) A. (13pi//48,14pi//48) B. (14pi//48,18pi//48) C. (18pi//48,23pi//48) D. any of these intervals

Match the conditions/expressions in Column I with values in Column II (sin 3 alpha)//cos2 alpha) is {:(" Column I"," Column II"),("A. Positive","p."(13pi//48, 14pi//48)),("B. negative","q."(14pi//48, 18pi//48)),(,"r."(18pi//48, 23pi//48)),(,"s."(0, pi//2)):}

Match the conditions/expressions in Column I with values in Column II (sin 3 alpha)//cos2 alpha) is {:(" Column I"," Column II"),("A. Positive","p."(13pi//48, 14pi//48)),("B. negative","q."(14pi//48, 18pi//48)),(,"r."(18pi//48, 23pi//48)),(,"s."(0, pi//2)):}