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If `sin A = 3/5, 0 ltA ltpi/2 and cos B = - 12/13, pi lt B lt 3pi/2`, find that : `sin (A-B)`
If `sin A = 3/5, 0 ltA ltpi/2 and cos B = - 12/13, pi lt B lt 3pi/2`, find that : `sin (A-B)`
แสดงข้อมูลเพิ่มเติม 1
If `sin A = 3/5, 0 ltA ltpi/2 and cos B = - 12/13, pi lt B lt 3pi/2`, find that : `cos (A+B)`
If `sin A = 3/5, 0 ltA ltpi/2 and cos B = - 12/13, pi lt B lt 3pi/2`, find that : `sin (A-B)`
If `sin A = 3/5, 0 ltA ltpi/2 and cos B = - 12/13, pi lt B lt 3pi/2`, find that : `tan (A-B)`
If `sinA=3/5, tan B=1/2, pi/2 ltA ltpi` and `pi ltB lt(3pi)/2` then `8tan A-sqrt4 sec B=`