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Mathematics: Post your doubts here!

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Hey can sum 1 tl me tat Formula wen we integrate and we Cant use ln because the power of x in the denominator
is Not linear? The 1 tat goes like 1/a and tan sumthing?
plx tel asap have ppr tommz!
 
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why is it "360-50.7"
I dont undestand this part
"in 2nd quadrant, only sin is +ve
then, do 360-190.4=169.6
then, 180-169.6=10.4"

cos is only +ve in the 4th quadrant, meaning it is -ve in quadrant 2 and 3
cos 169.6 gives u -0.9835....u have to get a +ve value for X... u could just do 180-169.6.
cos 10.4 is +ve...m not sure if this is clear.
 
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cos is only +ve in the 4th quadrant, meaning it is -ve in quadrant 2 and 3
cos 169.6 gives u -0.9835....u have to get a +ve value for X... u could just do 180-169.6.
cos 10.4 is +ve...m not sure if this is clear.
thanks for your help I finally undestand it!
 
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