Neidio i'r prif gynnwys
Gwahaniaethu w.r.t. θ
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Problemau tebyg o chwiliad gwe

Rhannu

\frac{\mathrm{d}}{\mathrm{d}\theta }(\frac{\cos(\theta )}{\sin(\theta )})
Defnyddio diffiniad cotangiad.
\frac{\sin(\theta )\frac{\mathrm{d}}{\mathrm{d}\theta }(\cos(\theta ))-\cos(\theta )\frac{\mathrm{d}}{\mathrm{d}\theta }(\sin(\theta ))}{\left(\sin(\theta )\right)^{2}}
Ar gyfer unrhyw ddau ffwythiant y mae modd eu gwahaniaethu, deilliad cyniferydd dau ffwythiant yw’r enwadur wedi’i luosi â deilliad yr enwadur wedi’i dynnu o’r rhifiadur wedi’i luosi â deilliad yr enwadur, y cwbl wedi’i rannu â’r enwadur wedi'i sgwario.
\frac{\sin(\theta )\left(-\sin(\theta )\right)-\cos(\theta )\cos(\theta )}{\left(\sin(\theta )\right)^{2}}
Deilliad sin(\theta ) yw cos(\theta ), a deilliad cos(\theta ) yw −sin(\theta ).
-\frac{\left(\sin(\theta )\right)^{2}+\left(\cos(\theta )\right)^{2}}{\left(\sin(\theta )\right)^{2}}
Symleiddio.
-\frac{1}{\left(\sin(\theta )\right)^{2}}
Defnyddio'r Hunaniaeth Pythagoreaidd.
-\left(\csc(\theta )\right)^{2}
Defnyddio diffiniad cosecant.